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Finding the Fourth Proportional to 69,662.61, 96,134.40 and 37,831.50

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Solution

The fourth proportional to 69,662.61, 96,134.40 and 37,831.50 is: 52,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,662.61 : 96,134.40 = 37,831.50 : x
  2. Step 2: Convert to fraction form
    69,662.61/96,134.40 = 37,831.50/x
  3. Step 3: Cross multiply
    69,662.61x = 96,134.40 × 37,831.50
  4. Step 4: Simplify right side
    69,662.61x = 3,636,908,553.60
  5. Step 5: Solve for x
    x = 3,636,908,553.60/69,662.61
  6. Step 6: Final answer
    x = 52,207.47

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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.