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Finding the Fourth Proportional to 9,053.95, 12,493.76 and 5,074.29

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Solution

The fourth proportional to 9,053.95, 12,493.76 and 5,074.29 is: 7,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.95 : 12,493.76 = 5,074.29 : x
  2. Step 2: Convert to fraction form
    9,053.95/12,493.76 = 5,074.29/x
  3. Step 3: Cross multiply
    9,053.95x = 12,493.76 × 5,074.29
  4. Step 4: Simplify right side
    9,053.95x = 63,396,936.06
  5. Step 5: Solve for x
    x = 63,396,936.06/9,053.95
  6. Step 6: Final answer
    x = 7,002.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.