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Finding the Fourth Proportional to 15,833.32, 23,749.96 and 7,508.79

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Solution

The fourth proportional to 15,833.32, 23,749.96 and 7,508.79 is: 11,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.32 : 23,749.96 = 7,508.79 : x
  2. Step 2: Convert to fraction form
    15,833.32/23,749.96 = 7,508.79/x
  3. Step 3: Cross multiply
    15,833.32x = 23,749.96 × 7,508.79
  4. Step 4: Simplify right side
    15,833.32x = 178,333,502.75
  5. Step 5: Solve for x
    x = 178,333,502.75/15,833.32
  6. Step 6: Final answer
    x = 11,263.18

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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.