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Finding the Fourth Proportional to 48,374.40, 72,539.73 and 17,210.46

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Solution

The fourth proportional to 48,374.40, 72,539.73 and 17,210.46 is: 25,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,374.40 : 72,539.73 = 17,210.46 : x
  2. Step 2: Convert to fraction form
    48,374.40/72,539.73 = 17,210.46/x
  3. Step 3: Cross multiply
    48,374.40x = 72,539.73 × 17,210.46
  4. Step 4: Simplify right side
    48,374.40x = 1,248,442,121.58
  5. Step 5: Solve for x
    x = 1,248,442,121.58/48,374.40
  6. Step 6: Final answer
    x = 25,807.91

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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.