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Finding the Fourth Proportional to 60,514.40, 90,592.40 and 45,000.80

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Solution

The fourth proportional to 60,514.40, 90,592.40 and 45,000.80 is: 67,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,514.40 : 90,592.40 = 45,000.80 : x
  2. Step 2: Convert to fraction form
    60,514.40/90,592.40 = 45,000.80/x
  3. Step 3: Cross multiply
    60,514.40x = 90,592.40 × 45,000.80
  4. Step 4: Simplify right side
    60,514.40x = 4,076,730,473.92
  5. Step 5: Solve for x
    x = 4,076,730,473.92/60,514.40
  6. Step 6: Final answer
    x = 67,367.94

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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.