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Finding the Fourth Proportional to 58,599.30, 80,862.25 and 33,107.88

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Solution

The fourth proportional to 58,599.30, 80,862.25 and 33,107.88 is: 45,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,599.30 : 80,862.25 = 33,107.88 : x
  2. Step 2: Convert to fraction form
    58,599.30/80,862.25 = 33,107.88/x
  3. Step 3: Cross multiply
    58,599.30x = 80,862.25 × 33,107.88
  4. Step 4: Simplify right side
    58,599.30x = 2,677,177,827.92
  5. Step 5: Solve for x
    x = 2,677,177,827.92/58,599.30
  6. Step 6: Final answer
    x = 45,686.17

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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.