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Finding the Fourth Proportional to 48,938.29, 73,407.48 and 12,002.29

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Solution

The fourth proportional to 48,938.29, 73,407.48 and 12,002.29 is: 18,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,938.29 : 73,407.48 = 12,002.29 : x
  2. Step 2: Convert to fraction form
    48,938.29/73,407.48 = 12,002.29/x
  3. Step 3: Cross multiply
    48,938.29x = 73,407.48 × 12,002.29
  4. Step 4: Simplify right side
    48,938.29x = 881,058,091.66
  5. Step 5: Solve for x
    x = 881,058,091.66/48,938.29
  6. Step 6: Final answer
    x = 18,003.45

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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.