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Finding the Fourth Proportional to 39,434.76, 59,143.23 and 11,354.76

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Solution

The fourth proportional to 39,434.76, 59,143.23 and 11,354.76 is: 17,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,434.76 : 59,143.23 = 11,354.76 : x
  2. Step 2: Convert to fraction form
    39,434.76/59,143.23 = 11,354.76/x
  3. Step 3: Cross multiply
    39,434.76x = 59,143.23 × 11,354.76
  4. Step 4: Simplify right side
    39,434.76x = 671,557,182.27
  5. Step 5: Solve for x
    x = 671,557,182.27/39,434.76
  6. Step 6: Final answer
    x = 17,029.57

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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.