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Finding the Fourth Proportional to 40,056.88, 60,083.16 and 13,758.88

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Solution

The fourth proportional to 40,056.88, 60,083.16 and 13,758.88 is: 20,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,056.88 : 60,083.16 = 13,758.88 : x
  2. Step 2: Convert to fraction form
    40,056.88/60,083.16 = 13,758.88/x
  3. Step 3: Cross multiply
    40,056.88x = 60,083.16 × 13,758.88
  4. Step 4: Simplify right side
    40,056.88x = 826,676,988.46
  5. Step 5: Solve for x
    x = 826,676,988.46/40,056.88
  6. Step 6: Final answer
    x = 20,637.58

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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.