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Finding the Fourth Proportional to 48,305.76, 72,460.80 and 13,244.64

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Solution

The fourth proportional to 48,305.76, 72,460.80 and 13,244.64 is: 19,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.76 : 72,460.80 = 13,244.64 : x
  2. Step 2: Convert to fraction form
    48,305.76/72,460.80 = 13,244.64/x
  3. Step 3: Cross multiply
    48,305.76x = 72,460.80 × 13,244.64
  4. Step 4: Simplify right side
    48,305.76x = 959,717,210.11
  5. Step 5: Solve for x
    x = 959,717,210.11/48,305.76
  6. Step 6: Final answer
    x = 19,867.55

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1.5x scale

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.