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Finding the Fourth Proportional to 15,660.06, 23,489.04 and 7,341.93

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Solution

The fourth proportional to 15,660.06, 23,489.04 and 7,341.93 is: 11,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660.06 : 23,489.04 = 7,341.93 : x
  2. Step 2: Convert to fraction form
    15,660.06/23,489.04 = 7,341.93/x
  3. Step 3: Cross multiply
    15,660.06x = 23,489.04 × 7,341.93
  4. Step 4: Simplify right side
    15,660.06x = 172,454,887.45
  5. Step 5: Solve for x
    x = 172,454,887.45/15,660.06
  6. Step 6: Final answer
    x = 11,012.40

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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.