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Finding the Fourth Proportional to 48,547.34, 72,821.28 and 16,957.24

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Solution

The fourth proportional to 48,547.34, 72,821.28 and 16,957.24 is: 25,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,547.34 : 72,821.28 = 16,957.24 : x
  2. Step 2: Convert to fraction form
    48,547.34/72,821.28 = 16,957.24/x
  3. Step 3: Cross multiply
    48,547.34x = 72,821.28 × 16,957.24
  4. Step 4: Simplify right side
    48,547.34x = 1,234,847,922.07
  5. Step 5: Solve for x
    x = 1,234,847,922.07/48,547.34
  6. Step 6: Final answer
    x = 25,435.95

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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.