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Finding the Fourth Proportional to 39,700.60, 54,784.98 and 23,793.88

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Solution

The fourth proportional to 39,700.60, 54,784.98 and 23,793.88 is: 32,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,700.60 : 54,784.98 = 23,793.88 : x
  2. Step 2: Convert to fraction form
    39,700.60/54,784.98 = 23,793.88/x
  3. Step 3: Cross multiply
    39,700.60x = 54,784.98 × 23,793.88
  4. Step 4: Simplify right side
    39,700.60x = 1,303,547,239.92
  5. Step 5: Solve for x
    x = 1,303,547,239.92/39,700.60
  6. Step 6: Final answer
    x = 32,834.45

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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.