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Finding the Fourth Proportional to 83,599.60, 115,369.28 and 45,873.92

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Solution

The fourth proportional to 83,599.60, 115,369.28 and 45,873.92 is: 63,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,599.60 : 115,369.28 = 45,873.92 : x
  2. Step 2: Convert to fraction form
    83,599.60/115,369.28 = 45,873.92/x
  3. Step 3: Cross multiply
    83,599.60x = 115,369.28 × 45,873.92
  4. Step 4: Simplify right side
    83,599.60x = 5,292,441,121.18
  5. Step 5: Solve for x
    x = 5,292,441,121.18/83,599.60
  6. Step 6: Final answer
    x = 63,307.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.