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Finding the Fourth Proportional to 39,196.70, 54,070.70 and 24,831.18

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Solution

The fourth proportional to 39,196.70, 54,070.70 and 24,831.18 is: 34,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,196.70 : 54,070.70 = 24,831.18 : x
  2. Step 2: Convert to fraction form
    39,196.70/54,070.70 = 24,831.18/x
  3. Step 3: Cross multiply
    39,196.70x = 54,070.70 × 24,831.18
  4. Step 4: Simplify right side
    39,196.70x = 1,342,639,284.43
  5. Step 5: Solve for x
    x = 1,342,639,284.43/39,196.70
  6. Step 6: Final answer
    x = 34,253.89

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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.