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Finding the Fourth Proportional to 12,496.60, 18,752.10 and 4,706.20

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Solution

The fourth proportional to 12,496.60, 18,752.10 and 4,706.20 is: 7,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.60 : 18,752.10 = 4,706.20 : x
  2. Step 2: Convert to fraction form
    12,496.60/18,752.10 = 4,706.20/x
  3. Step 3: Cross multiply
    12,496.60x = 18,752.10 × 4,706.20
  4. Step 4: Simplify right side
    12,496.60x = 88,251,133.02
  5. Step 5: Solve for x
    x = 88,251,133.02/12,496.60
  6. Step 6: Final answer
    x = 7,062.01

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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.