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Finding the Fourth Proportional to 68,348.54, 102,547.41 and 23,982.20

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Solution

The fourth proportional to 68,348.54, 102,547.41 and 23,982.20 is: 35,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,348.54 : 102,547.41 = 23,982.20 : x
  2. Step 2: Convert to fraction form
    68,348.54/102,547.41 = 23,982.20/x
  3. Step 3: Cross multiply
    68,348.54x = 102,547.41 × 23,982.20
  4. Step 4: Simplify right side
    68,348.54x = 2,459,312,752.47
  5. Step 5: Solve for x
    x = 2,459,312,752.47/68,348.54
  6. Step 6: Final answer
    x = 35,981.94

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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.