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Finding the Fourth Proportional to 8,930.74, 12,325.12 and 4,952.64

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Solution

The fourth proportional to 8,930.74, 12,325.12 and 4,952.64 is: 6,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.74 : 12,325.12 = 4,952.64 : x
  2. Step 2: Convert to fraction form
    8,930.74/12,325.12 = 4,952.64/x
  3. Step 3: Cross multiply
    8,930.74x = 12,325.12 × 4,952.64
  4. Step 4: Simplify right side
    8,930.74x = 61,041,882.32
  5. Step 5: Solve for x
    x = 61,041,882.32/8,930.74
  6. Step 6: Final answer
    x = 6,835.03

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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.