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Finding the Fourth Proportional to 38,859.66, 58,289.51 and 15,502.50

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Solution

The fourth proportional to 38,859.66, 58,289.51 and 15,502.50 is: 23,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.66 : 58,289.51 = 15,502.50 : x
  2. Step 2: Convert to fraction form
    38,859.66/58,289.51 = 15,502.50/x
  3. Step 3: Cross multiply
    38,859.66x = 58,289.51 × 15,502.50
  4. Step 4: Simplify right side
    38,859.66x = 903,633,128.78
  5. Step 5: Solve for x
    x = 903,633,128.78/38,859.66
  6. Step 6: Final answer
    x = 23,253.76

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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.