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Finding the Fourth Proportional to 62,307.68, 93,476.25 and 20,187.69

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Solution

The fourth proportional to 62,307.68, 93,476.25 and 20,187.69 is: 30,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,307.68 : 93,476.25 = 20,187.69 : x
  2. Step 2: Convert to fraction form
    62,307.68/93,476.25 = 20,187.69/x
  3. Step 3: Cross multiply
    62,307.68x = 93,476.25 × 20,187.69
  4. Step 4: Simplify right side
    62,307.68x = 1,887,068,989.04
  5. Step 5: Solve for x
    x = 1,887,068,989.04/62,307.68
  6. Step 6: Final answer
    x = 30,286.30

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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.