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Finding the Fourth Proportional to 8,974.04, 12,384.61 and 5,437.58

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Solution

The fourth proportional to 8,974.04, 12,384.61 and 5,437.58 is: 7,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.04 : 12,384.61 = 5,437.58 : x
  2. Step 2: Convert to fraction form
    8,974.04/12,384.61 = 5,437.58/x
  3. Step 3: Cross multiply
    8,974.04x = 12,384.61 × 5,437.58
  4. Step 4: Simplify right side
    8,974.04x = 67,342,232.13
  5. Step 5: Solve for x
    x = 67,342,232.13/8,974.04
  6. Step 6: Final answer
    x = 7,504.12

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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.