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Finding the Fourth Proportional to 66,475.70, 99,762.15 and 44,281.70

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Solution

The fourth proportional to 66,475.70, 99,762.15 and 44,281.70 is: 66,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,475.70 : 99,762.15 = 44,281.70 : x
  2. Step 2: Convert to fraction form
    66,475.70/99,762.15 = 44,281.70/x
  3. Step 3: Cross multiply
    66,475.70x = 99,762.15 × 44,281.70
  4. Step 4: Simplify right side
    66,475.70x = 4,417,637,597.66
  5. Step 5: Solve for x
    x = 4,417,637,597.66/66,475.70
  6. Step 6: Final answer
    x = 66,454.92

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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.