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Finding the Fourth Proportional to 66,263.40, 99,395.10 and 59,005.80

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Solution

The fourth proportional to 66,263.40, 99,395.10 and 59,005.80 is: 88,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,263.40 : 99,395.10 = 59,005.80 : x
  2. Step 2: Convert to fraction form
    66,263.40/99,395.10 = 59,005.80/x
  3. Step 3: Cross multiply
    66,263.40x = 99,395.10 × 59,005.80
  4. Step 4: Simplify right side
    66,263.40x = 5,864,887,391.58
  5. Step 5: Solve for x
    x = 5,864,887,391.58/66,263.40
  6. Step 6: Final answer
    x = 88,508.70

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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.