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Finding the Fourth Proportional to 40,069.76, 60,101.76 and 17,885.12

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Solution

The fourth proportional to 40,069.76, 60,101.76 and 17,885.12 is: 26,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,069.76 : 60,101.76 = 17,885.12 : x
  2. Step 2: Convert to fraction form
    40,069.76/60,101.76 = 17,885.12/x
  3. Step 3: Cross multiply
    40,069.76x = 60,101.76 × 17,885.12
  4. Step 4: Simplify right side
    40,069.76x = 1,074,927,189.81
  5. Step 5: Solve for x
    x = 1,074,927,189.81/40,069.76
  6. Step 6: Final answer
    x = 26,826.39

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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.