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Finding the Fourth Proportional to 10,671.48, 15,973.62 and 8,805.24

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Solution

The fourth proportional to 10,671.48, 15,973.62 and 8,805.24 is: 13,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.48 : 15,973.62 = 8,805.24 : x
  2. Step 2: Convert to fraction form
    10,671.48/15,973.62 = 8,805.24/x
  3. Step 3: Cross multiply
    10,671.48x = 15,973.62 × 8,805.24
  4. Step 4: Simplify right side
    10,671.48x = 140,651,557.77
  5. Step 5: Solve for x
    x = 140,651,557.77/10,671.48
  6. Step 6: Final answer
    x = 13,180.14

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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.