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Finding the Fourth Proportional to 12,364.20, 18,547.10 and 6,532.20

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Solution

The fourth proportional to 12,364.20, 18,547.10 and 6,532.20 is: 9,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.20 : 18,547.10 = 6,532.20 : x
  2. Step 2: Convert to fraction form
    12,364.20/18,547.10 = 6,532.20/x
  3. Step 3: Cross multiply
    12,364.20x = 18,547.10 × 6,532.20
  4. Step 4: Simplify right side
    12,364.20x = 121,153,366.62
  5. Step 5: Solve for x
    x = 121,153,366.62/12,364.20
  6. Step 6: Final answer
    x = 9,798.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.