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Finding the Fourth Proportional to 63,798.72, 88,045.12 and 36,942.40

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Solution

The fourth proportional to 63,798.72, 88,045.12 and 36,942.40 is: 50,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,798.72 : 88,045.12 = 36,942.40 : x
  2. Step 2: Convert to fraction form
    63,798.72/88,045.12 = 36,942.40/x
  3. Step 3: Cross multiply
    63,798.72x = 88,045.12 × 36,942.40
  4. Step 4: Simplify right side
    63,798.72x = 3,252,598,041.09
  5. Step 5: Solve for x
    x = 3,252,598,041.09/63,798.72
  6. Step 6: Final answer
    x = 50,982.18

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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.