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Finding the Fourth Proportional to 59,351.88, 89,038.68 and 29,790.12

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Solution

The fourth proportional to 59,351.88, 89,038.68 and 29,790.12 is: 44,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,351.88 : 89,038.68 = 29,790.12 : x
  2. Step 2: Convert to fraction form
    59,351.88/89,038.68 = 29,790.12/x
  3. Step 3: Cross multiply
    59,351.88x = 89,038.68 × 29,790.12
  4. Step 4: Simplify right side
    59,351.88x = 2,652,472,961.84
  5. Step 5: Solve for x
    x = 2,652,472,961.84/59,351.88
  6. Step 6: Final answer
    x = 44,690.63

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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.