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Finding the Fourth Proportional to 83,595.90, 125,393.88 and 36,172.17

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Solution

The fourth proportional to 83,595.90, 125,393.88 and 36,172.17 is: 54,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,595.90 : 125,393.88 = 36,172.17 : x
  2. Step 2: Convert to fraction form
    83,595.90/125,393.88 = 36,172.17/x
  3. Step 3: Cross multiply
    83,595.90x = 125,393.88 × 36,172.17
  4. Step 4: Simplify right side
    83,595.90x = 4,535,768,744.32
  5. Step 5: Solve for x
    x = 4,535,768,744.32/83,595.90
  6. Step 6: Final answer
    x = 54,258.27

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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.