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Finding the Fourth Proportional to 10,248.47, 14,113.11 and 8,903.47

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Solution

The fourth proportional to 10,248.47, 14,113.11 and 8,903.47 is: 12,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.47 : 14,113.11 = 8,903.47 : x
  2. Step 2: Convert to fraction form
    10,248.47/14,113.11 = 8,903.47/x
  3. Step 3: Cross multiply
    10,248.47x = 14,113.11 × 8,903.47
  4. Step 4: Simplify right side
    10,248.47x = 125,655,580.93
  5. Step 5: Solve for x
    x = 125,655,580.93/10,248.47
  6. Step 6: Final answer
    x = 12,260.91

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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.