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Finding the Fourth Proportional to 62,225.40, 93,338.10 and 20,672.40

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Solution

The fourth proportional to 62,225.40, 93,338.10 and 20,672.40 is: 31,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,225.40 : 93,338.10 = 20,672.40 : x
  2. Step 2: Convert to fraction form
    62,225.40/93,338.10 = 20,672.40/x
  3. Step 3: Cross multiply
    62,225.40x = 93,338.10 × 20,672.40
  4. Step 4: Simplify right side
    62,225.40x = 1,929,522,538.44
  5. Step 5: Solve for x
    x = 1,929,522,538.44/62,225.40
  6. Step 6: Final answer
    x = 31,008.60

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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.