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Finding the Fourth Proportional to 48,830.64, 67,375.08 and 27,605.28

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Solution

The fourth proportional to 48,830.64, 67,375.08 and 27,605.28 is: 38,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,830.64 : 67,375.08 = 27,605.28 : x
  2. Step 2: Convert to fraction form
    48,830.64/67,375.08 = 27,605.28/x
  3. Step 3: Cross multiply
    48,830.64x = 67,375.08 × 27,605.28
  4. Step 4: Simplify right side
    48,830.64x = 1,859,907,948.42
  5. Step 5: Solve for x
    x = 1,859,907,948.42/48,830.64
  6. Step 6: Final answer
    x = 38,088.95

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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.