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Finding the Fourth Proportional to 66,027.40, 99,041.10 and 58,769.80

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Solution

The fourth proportional to 66,027.40, 99,041.10 and 58,769.80 is: 88,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,027.40 : 99,041.10 = 58,769.80 : x
  2. Step 2: Convert to fraction form
    66,027.40/99,041.10 = 58,769.80/x
  3. Step 3: Cross multiply
    66,027.40x = 99,041.10 × 58,769.80
  4. Step 4: Simplify right side
    66,027.40x = 5,820,625,638.78
  5. Step 5: Solve for x
    x = 5,820,625,638.78/66,027.40
  6. Step 6: Final answer
    x = 88,154.70

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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.