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Finding the Fourth Proportional to 14,649.04, 21,958.86 and 7,258.87

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Solution

The fourth proportional to 14,649.04, 21,958.86 and 7,258.87 is: 10,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.04 : 21,958.86 = 7,258.87 : x
  2. Step 2: Convert to fraction form
    14,649.04/21,958.86 = 7,258.87/x
  3. Step 3: Cross multiply
    14,649.04x = 21,958.86 × 7,258.87
  4. Step 4: Simplify right side
    14,649.04x = 159,396,400.29
  5. Step 5: Solve for x
    x = 159,396,400.29/14,649.04
  6. Step 6: Final answer
    x = 10,881.02

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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.