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Finding the Fourth Proportional to 39,695.96, 54,784.78 and 22,701.79

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Solution

The fourth proportional to 39,695.96, 54,784.78 and 22,701.79 is: 31,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,695.96 : 54,784.78 = 22,701.79 : x
  2. Step 2: Convert to fraction form
    39,695.96/54,784.78 = 22,701.79/x
  3. Step 3: Cross multiply
    39,695.96x = 54,784.78 × 22,701.79
  4. Step 4: Simplify right side
    39,695.96x = 1,243,712,353.59
  5. Step 5: Solve for x
    x = 1,243,712,353.59/39,695.96
  6. Step 6: Final answer
    x = 31,330.96

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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.