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Finding the Fourth Proportional to 12,360.98, 18,543.81 and 4,966.02

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Solution

The fourth proportional to 12,360.98, 18,543.81 and 4,966.02 is: 7,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.98 : 18,543.81 = 4,966.02 : x
  2. Step 2: Convert to fraction form
    12,360.98/18,543.81 = 4,966.02/x
  3. Step 3: Cross multiply
    12,360.98x = 18,543.81 × 4,966.02
  4. Step 4: Simplify right side
    12,360.98x = 92,088,931.34
  5. Step 5: Solve for x
    x = 92,088,931.34/12,360.98
  6. Step 6: Final answer
    x = 7,449.97

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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.