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Finding the Fourth Proportional to 65,588.90, 90,526.13 and 41,710.96

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Solution

The fourth proportional to 65,588.90, 90,526.13 and 41,710.96 is: 57,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,588.90 : 90,526.13 = 41,710.96 : x
  2. Step 2: Convert to fraction form
    65,588.90/90,526.13 = 41,710.96/x
  3. Step 3: Cross multiply
    65,588.90x = 90,526.13 × 41,710.96
  4. Step 4: Simplify right side
    65,588.90x = 3,775,931,787.38
  5. Step 5: Solve for x
    x = 3,775,931,787.38/65,588.90
  6. Step 6: Final answer
    x = 57,569.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.