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Finding the Fourth Proportional to 40,510.68, 60,788.70 and 17,154.60

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Solution

The fourth proportional to 40,510.68, 60,788.70 and 17,154.60 is: 25,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,510.68 : 60,788.70 = 17,154.60 : x
  2. Step 2: Convert to fraction form
    40,510.68/60,788.70 = 17,154.60/x
  3. Step 3: Cross multiply
    40,510.68x = 60,788.70 × 17,154.60
  4. Step 4: Simplify right side
    40,510.68x = 1,042,805,833.02
  5. Step 5: Solve for x
    x = 1,042,805,833.02/40,510.68
  6. Step 6: Final answer
    x = 25,741.50

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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.