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Finding the Fourth Proportional to 5,655.18, 8,482.92 and 4,828.24

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Solution

The fourth proportional to 5,655.18, 8,482.92 and 4,828.24 is: 7,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.18 : 8,482.92 = 4,828.24 : x
  2. Step 2: Convert to fraction form
    5,655.18/8,482.92 = 4,828.24/x
  3. Step 3: Cross multiply
    5,655.18x = 8,482.92 × 4,828.24
  4. Step 4: Simplify right side
    5,655.18x = 40,957,573.66
  5. Step 5: Solve for x
    x = 40,957,573.66/5,655.18
  6. Step 6: Final answer
    x = 7,242.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.