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Finding the Fourth Proportional to 40,607.55, 60,870.43 and 16,928.21

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Solution

The fourth proportional to 40,607.55, 60,870.43 and 16,928.21 is: 25,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,607.55 : 60,870.43 = 16,928.21 : x
  2. Step 2: Convert to fraction form
    40,607.55/60,870.43 = 16,928.21/x
  3. Step 3: Cross multiply
    40,607.55x = 60,870.43 × 16,928.21
  4. Step 4: Simplify right side
    40,607.55x = 1,030,427,117.48
  5. Step 5: Solve for x
    x = 1,030,427,117.48/40,607.55
  6. Step 6: Final answer
    x = 25,375.26

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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.