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Finding the Fourth Proportional to 8,974.76, 12,368.33 and 6,452.50

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Solution

The fourth proportional to 8,974.76, 12,368.33 and 6,452.50 is: 8,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.76 : 12,368.33 = 6,452.50 : x
  2. Step 2: Convert to fraction form
    8,974.76/12,368.33 = 6,452.50/x
  3. Step 3: Cross multiply
    8,974.76x = 12,368.33 × 6,452.50
  4. Step 4: Simplify right side
    8,974.76x = 79,806,649.33
  5. Step 5: Solve for x
    x = 79,806,649.33/8,974.76
  6. Step 6: Final answer
    x = 8,892.34

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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.