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Finding the Fourth Proportional to 60,557.68, 90,837.02 and 21,114.72

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Solution

The fourth proportional to 60,557.68, 90,837.02 and 21,114.72 is: 31,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,557.68 : 90,837.02 = 21,114.72 : x
  2. Step 2: Convert to fraction form
    60,557.68/90,837.02 = 21,114.72/x
  3. Step 3: Cross multiply
    60,557.68x = 90,837.02 × 21,114.72
  4. Step 4: Simplify right side
    60,557.68x = 1,917,998,242.93
  5. Step 5: Solve for x
    x = 1,917,998,242.93/60,557.68
  6. Step 6: Final answer
    x = 31,672.25

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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.