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Finding the Fourth Proportional to 62,290.80, 93,407.40 and 27,212.40

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Solution

The fourth proportional to 62,290.80, 93,407.40 and 27,212.40 is: 40,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,290.80 : 93,407.40 = 27,212.40 : x
  2. Step 2: Convert to fraction form
    62,290.80/93,407.40 = 27,212.40/x
  3. Step 3: Cross multiply
    62,290.80x = 93,407.40 × 27,212.40
  4. Step 4: Simplify right side
    62,290.80x = 2,541,839,531.76
  5. Step 5: Solve for x
    x = 2,541,839,531.76/62,290.80
  6. Step 6: Final answer
    x = 40,806.02

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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.