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Finding the Fourth Proportional to 89,611.70, 134,417.55 and 37,058.90

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Solution

The fourth proportional to 89,611.70, 134,417.55 and 37,058.90 is: 55,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,611.70 : 134,417.55 = 37,058.90 : x
  2. Step 2: Convert to fraction form
    89,611.70/134,417.55 = 37,058.90/x
  3. Step 3: Cross multiply
    89,611.70x = 134,417.55 × 37,058.90
  4. Step 4: Simplify right side
    89,611.70x = 4,981,366,543.70
  5. Step 5: Solve for x
    x = 4,981,366,543.70/89,611.70
  6. Step 6: Final answer
    x = 55,588.35

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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.