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Finding the Fourth Proportional to 60,253.50, 90,411.77 and 43,749.86

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Solution

The fourth proportional to 60,253.50, 90,411.77 and 43,749.86 is: 65,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,253.50 : 90,411.77 = 43,749.86 : x
  2. Step 2: Convert to fraction form
    60,253.50/90,411.77 = 43,749.86/x
  3. Step 3: Cross multiply
    60,253.50x = 90,411.77 × 43,749.86
  4. Step 4: Simplify right side
    60,253.50x = 3,955,502,279.85
  5. Step 5: Solve for x
    x = 3,955,502,279.85/60,253.50
  6. Step 6: Final answer
    x = 65,647.68

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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.