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Finding the Fourth Proportional to 48,046.78, 72,077.06 and 14,769.64

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Solution

The fourth proportional to 48,046.78, 72,077.06 and 14,769.64 is: 22,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,046.78 : 72,077.06 = 14,769.64 : x
  2. Step 2: Convert to fraction form
    48,046.78/72,077.06 = 14,769.64/x
  3. Step 3: Cross multiply
    48,046.78x = 72,077.06 × 14,769.64
  4. Step 4: Simplify right side
    48,046.78x = 1,064,552,228.46
  5. Step 5: Solve for x
    x = 1,064,552,228.46/48,046.78
  6. Step 6: Final answer
    x = 22,156.58

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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.