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Finding the Fourth Proportional to 16,468.76, 24,685.44 and 7,113.20

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Solution

The fourth proportional to 16,468.76, 24,685.44 and 7,113.20 is: 10,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,468.76 : 24,685.44 = 7,113.20 : x
  2. Step 2: Convert to fraction form
    16,468.76/24,685.44 = 7,113.20/x
  3. Step 3: Cross multiply
    16,468.76x = 24,685.44 × 7,113.20
  4. Step 4: Simplify right side
    16,468.76x = 175,592,471.81
  5. Step 5: Solve for x
    x = 175,592,471.81/16,468.76
  6. Step 6: Final answer
    x = 10,662.16

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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.