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Finding the Fourth Proportional to 63,935.42, 88,268.67 and 56,842.22

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Solution

The fourth proportional to 63,935.42, 88,268.67 and 56,842.22 is: 78,475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,935.42 : 88,268.67 = 56,842.22 : x
  2. Step 2: Convert to fraction form
    63,935.42/88,268.67 = 56,842.22/x
  3. Step 3: Cross multiply
    63,935.42x = 88,268.67 × 56,842.22
  4. Step 4: Simplify right side
    63,935.42x = 5,017,386,717.90
  5. Step 5: Solve for x
    x = 5,017,386,717.90/63,935.42
  6. Step 6: Final answer
    x = 78,475.86

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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.