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Finding the Fourth Proportional to 63,123.71, 87,112.53 and 34,831.22

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Solution

The fourth proportional to 63,123.71, 87,112.53 and 34,831.22 is: 48,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,123.71 : 87,112.53 = 34,831.22 : x
  2. Step 2: Convert to fraction form
    63,123.71/87,112.53 = 34,831.22/x
  3. Step 3: Cross multiply
    63,123.71x = 87,112.53 × 34,831.22
  4. Step 4: Simplify right side
    63,123.71x = 3,034,235,261.62
  5. Step 5: Solve for x
    x = 3,034,235,261.62/63,123.71
  6. Step 6: Final answer
    x = 48,068.08

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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.