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Finding the Fourth Proportional to 65,737.16, 90,717.23 and 35,522.47

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Solution

The fourth proportional to 65,737.16, 90,717.23 and 35,522.47 is: 49,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,737.16 : 90,717.23 = 35,522.47 : x
  2. Step 2: Convert to fraction form
    65,737.16/90,717.23 = 35,522.47/x
  3. Step 3: Cross multiply
    65,737.16x = 90,717.23 × 35,522.47
  4. Step 4: Simplify right side
    65,737.16x = 3,222,499,943.17
  5. Step 5: Solve for x
    x = 3,222,499,943.17/65,737.16
  6. Step 6: Final answer
    x = 49,020.98

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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.