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Finding the Fourth Proportional to 59,340.40, 88,981.80 and 33,017.20

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Solution

The fourth proportional to 59,340.40, 88,981.80 and 33,017.20 is: 49,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,340.40 : 88,981.80 = 33,017.20 : x
  2. Step 2: Convert to fraction form
    59,340.40/88,981.80 = 33,017.20/x
  3. Step 3: Cross multiply
    59,340.40x = 88,981.80 × 33,017.20
  4. Step 4: Simplify right side
    59,340.40x = 2,937,929,886.96
  5. Step 5: Solve for x
    x = 2,937,929,886.96/59,340.40
  6. Step 6: Final answer
    x = 49,509.78

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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.