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Finding the Fourth Proportional to 40,073.88, 60,114.82 and 13,775.16

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Solution

The fourth proportional to 40,073.88, 60,114.82 and 13,775.16 is: 20,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073.88 : 60,114.82 = 13,775.16 : x
  2. Step 2: Convert to fraction form
    40,073.88/60,114.82 = 13,775.16/x
  3. Step 3: Cross multiply
    40,073.88x = 60,114.82 × 13,775.16
  4. Step 4: Simplify right side
    40,073.88x = 828,091,263.87
  5. Step 5: Solve for x
    x = 828,091,263.87/40,073.88
  6. Step 6: Final answer
    x = 20,664.11

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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.