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Finding the Fourth Proportional to 8,897.49, 13,347.15 and 3,966.72

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Solution

The fourth proportional to 8,897.49, 13,347.15 and 3,966.72 is: 5,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.49 : 13,347.15 = 3,966.72 : x
  2. Step 2: Convert to fraction form
    8,897.49/13,347.15 = 3,966.72/x
  3. Step 3: Cross multiply
    8,897.49x = 13,347.15 × 3,966.72
  4. Step 4: Simplify right side
    8,897.49x = 52,944,341.92
  5. Step 5: Solve for x
    x = 52,944,341.92/8,897.49
  6. Step 6: Final answer
    x = 5,950.48

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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.