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Finding the Fourth Proportional to 61,463.68, 84,641.34 and 53,393.65

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Solution

The fourth proportional to 61,463.68, 84,641.34 and 53,393.65 is: 73,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,463.68 : 84,641.34 = 53,393.65 : x
  2. Step 2: Convert to fraction form
    61,463.68/84,641.34 = 53,393.65/x
  3. Step 3: Cross multiply
    61,463.68x = 84,641.34 × 53,393.65
  4. Step 4: Simplify right side
    61,463.68x = 4,519,310,083.49
  5. Step 5: Solve for x
    x = 4,519,310,083.49/61,463.68
  6. Step 6: Final answer
    x = 73,528.14

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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.