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Finding the Fourth Proportional to 61,377.48, 84,688.23 and 35,878.92

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Solution

The fourth proportional to 61,377.48, 84,688.23 and 35,878.92 is: 49,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,377.48 : 84,688.23 = 35,878.92 : x
  2. Step 2: Convert to fraction form
    61,377.48/84,688.23 = 35,878.92/x
  3. Step 3: Cross multiply
    61,377.48x = 84,688.23 × 35,878.92
  4. Step 4: Simplify right side
    61,377.48x = 3,038,522,229.11
  5. Step 5: Solve for x
    x = 3,038,522,229.11/61,377.48
  6. Step 6: Final answer
    x = 49,505.49

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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.