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Finding the Fourth Proportional to 41,987.10, 58,859.70 and 41,987.10

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Solution

The fourth proportional to 41,987.10, 58,859.70 and 41,987.10 is: 58,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,987.10 : 58,859.70 = 41,987.10 : x
  2. Step 2: Convert to fraction form
    41,987.10/58,859.70 = 41,987.10/x
  3. Step 3: Cross multiply
    41,987.10x = 58,859.70 × 41,987.10
  4. Step 4: Simplify right side
    41,987.10x = 2,471,348,109.87
  5. Step 5: Solve for x
    x = 2,471,348,109.87/41,987.10
  6. Step 6: Final answer
    x = 58,859.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.