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Finding the Fourth Proportional to 60,520.70, 90,781.05 and 44,774.30

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Solution

The fourth proportional to 60,520.70, 90,781.05 and 44,774.30 is: 67,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,520.70 : 90,781.05 = 44,774.30 : x
  2. Step 2: Convert to fraction form
    60,520.70/90,781.05 = 44,774.30/x
  3. Step 3: Cross multiply
    60,520.70x = 90,781.05 × 44,774.30
  4. Step 4: Simplify right side
    60,520.70x = 4,064,657,967.02
  5. Step 5: Solve for x
    x = 4,064,657,967.02/60,520.70
  6. Step 6: Final answer
    x = 67,161.45

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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.