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Finding the Fourth Proportional to 40,051.59, 60,085.85 and 15,091.10

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Solution

The fourth proportional to 40,051.59, 60,085.85 and 15,091.10 is: 22,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.59 : 60,085.85 = 15,091.10 : x
  2. Step 2: Convert to fraction form
    40,051.59/60,085.85 = 15,091.10/x
  3. Step 3: Cross multiply
    40,051.59x = 60,085.85 × 15,091.10
  4. Step 4: Simplify right side
    40,051.59x = 906,761,570.94
  5. Step 5: Solve for x
    x = 906,761,570.94/40,051.59
  6. Step 6: Final answer
    x = 22,639.84

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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.