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Finding the Fourth Proportional to 15,973.92, 22,046.76 and 9,258.48

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Solution

The fourth proportional to 15,973.92, 22,046.76 and 9,258.48 is: 12,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,973.92 : 22,046.76 = 9,258.48 : x
  2. Step 2: Convert to fraction form
    15,973.92/22,046.76 = 9,258.48/x
  3. Step 3: Cross multiply
    15,973.92x = 22,046.76 × 9,258.48
  4. Step 4: Simplify right side
    15,973.92x = 204,119,486.52
  5. Step 5: Solve for x
    x = 204,119,486.52/15,973.92
  6. Step 6: Final answer
    x = 12,778.30

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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.