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Finding the Fourth Proportional to 15,812.60, 23,718.90 and 15,083.60

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Solution

The fourth proportional to 15,812.60, 23,718.90 and 15,083.60 is: 22,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.60 : 23,718.90 = 15,083.60 : x
  2. Step 2: Convert to fraction form
    15,812.60/23,718.90 = 15,083.60/x
  3. Step 3: Cross multiply
    15,812.60x = 23,718.90 × 15,083.60
  4. Step 4: Simplify right side
    15,812.60x = 357,766,400.04
  5. Step 5: Solve for x
    x = 357,766,400.04/15,812.60
  6. Step 6: Final answer
    x = 22,625.40

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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.