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Finding the Fourth Proportional to 59,111.88, 88,667.82 and 39,428.88

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Solution

The fourth proportional to 59,111.88, 88,667.82 and 39,428.88 is: 59,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,111.88 : 88,667.82 = 39,428.88 : x
  2. Step 2: Convert to fraction form
    59,111.88/88,667.82 = 39,428.88/x
  3. Step 3: Cross multiply
    59,111.88x = 88,667.82 × 39,428.88
  4. Step 4: Simplify right side
    59,111.88x = 3,496,072,834.64
  5. Step 5: Solve for x
    x = 3,496,072,834.64/59,111.88
  6. Step 6: Final answer
    x = 59,143.32

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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.