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Finding the Fourth Proportional to 5,710.72, 8,566.08 and 1,551.12

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Solution

The fourth proportional to 5,710.72, 8,566.08 and 1,551.12 is: 2,326.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.72 : 8,566.08 = 1,551.12 : x
  2. Step 2: Convert to fraction form
    5,710.72/8,566.08 = 1,551.12/x
  3. Step 3: Cross multiply
    5,710.72x = 8,566.08 × 1,551.12
  4. Step 4: Simplify right side
    5,710.72x = 13,287,018.01
  5. Step 5: Solve for x
    x = 13,287,018.01/5,710.72
  6. Step 6: Final answer
    x = 2,326.68

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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.