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Finding the Fourth Proportional to 15,708.70, 23,543.61 and 7,913.26

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Solution

The fourth proportional to 15,708.70, 23,543.61 and 7,913.26 is: 11,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.70 : 23,543.61 = 7,913.26 : x
  2. Step 2: Convert to fraction form
    15,708.70/23,543.61 = 7,913.26/x
  3. Step 3: Cross multiply
    15,708.70x = 23,543.61 × 7,913.26
  4. Step 4: Simplify right side
    15,708.70x = 186,306,707.27
  5. Step 5: Solve for x
    x = 186,306,707.27/15,708.70
  6. Step 6: Final answer
    x = 11,860.10

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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.