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Finding the Fourth Proportional to 67,470.60, 93,110.58 and 43,638.79

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Solution

The fourth proportional to 67,470.60, 93,110.58 and 43,638.79 is: 60,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,470.60 : 93,110.58 = 43,638.79 : x
  2. Step 2: Convert to fraction form
    67,470.60/93,110.58 = 43,638.79/x
  3. Step 3: Cross multiply
    67,470.60x = 93,110.58 × 43,638.79
  4. Step 4: Simplify right side
    67,470.60x = 4,063,233,047.40
  5. Step 5: Solve for x
    x = 4,063,233,047.40/67,470.60
  6. Step 6: Final answer
    x = 60,222.28

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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.