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Finding the Fourth Proportional to 38,358.70, 57,536.69 and 11,703.61

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Solution

The fourth proportional to 38,358.70, 57,536.69 and 11,703.61 is: 17,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.70 : 57,536.69 = 11,703.61 : x
  2. Step 2: Convert to fraction form
    38,358.70/57,536.69 = 11,703.61/x
  3. Step 3: Cross multiply
    38,358.70x = 57,536.69 × 11,703.61
  4. Step 4: Simplify right side
    38,358.70x = 673,386,951.19
  5. Step 5: Solve for x
    x = 673,386,951.19/38,358.70
  6. Step 6: Final answer
    x = 17,555.00

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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.