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Finding the Fourth Proportional to 10,325.76, 15,488.99 and 6,332.44

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Solution

The fourth proportional to 10,325.76, 15,488.99 and 6,332.44 is: 9,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.76 : 15,488.99 = 6,332.44 : x
  2. Step 2: Convert to fraction form
    10,325.76/15,488.99 = 6,332.44/x
  3. Step 3: Cross multiply
    10,325.76x = 15,488.99 × 6,332.44
  4. Step 4: Simplify right side
    10,325.76x = 98,083,038.68
  5. Step 5: Solve for x
    x = 98,083,038.68/10,325.76
  6. Step 6: Final answer
    x = 9,498.87

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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.