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Finding the Fourth Proportional to 72,002.60, 107,874.30 and 58,783.40

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Solution

The fourth proportional to 72,002.60, 107,874.30 and 58,783.40 is: 88,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,002.60 : 107,874.30 = 58,783.40 : x
  2. Step 2: Convert to fraction form
    72,002.60/107,874.30 = 58,783.40/x
  3. Step 3: Cross multiply
    72,002.60x = 107,874.30 × 58,783.40
  4. Step 4: Simplify right side
    72,002.60x = 6,341,218,126.62
  5. Step 5: Solve for x
    x = 6,341,218,126.62/72,002.60
  6. Step 6: Final answer
    x = 88,069.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.