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Finding the Fourth Proportional to 5,655, 8,482.52 and 1,551

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Solution

The fourth proportional to 5,655, 8,482.52 and 1,551 is: 2,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655 : 8,482.52 = 1,551 : x
  2. Step 2: Convert to fraction form
    5,655/8,482.52 = 1,551/x
  3. Step 3: Cross multiply
    5,655x = 8,482.52 × 1,551
  4. Step 4: Simplify right side
    5,655x = 13,156,388.52
  5. Step 5: Solve for x
    x = 13,156,388.52/5,655
  6. Step 6: Final answer
    x = 2,326.51

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Double scale
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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.