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Finding the Fourth Proportional to 66,050.29, 99,074.29 and 26,606.40

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Solution

The fourth proportional to 66,050.29, 99,074.29 and 26,606.40 is: 39,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.29 : 99,074.29 = 26,606.40 : x
  2. Step 2: Convert to fraction form
    66,050.29/99,074.29 = 26,606.40/x
  3. Step 3: Cross multiply
    66,050.29x = 99,074.29 × 26,606.40
  4. Step 4: Simplify right side
    66,050.29x = 2,636,010,189.46
  5. Step 5: Solve for x
    x = 2,636,010,189.46/66,050.29
  6. Step 6: Final answer
    x = 39,909.14

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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.