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Finding the Fourth Proportional to 15,615.93, 23,412.93 and 5,753.91

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Solution

The fourth proportional to 15,615.93, 23,412.93 and 5,753.91 is: 8,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.93 : 23,412.93 = 5,753.91 : x
  2. Step 2: Convert to fraction form
    15,615.93/23,412.93 = 5,753.91/x
  3. Step 3: Cross multiply
    15,615.93x = 23,412.93 × 5,753.91
  4. Step 4: Simplify right side
    15,615.93x = 134,715,892.06
  5. Step 5: Solve for x
    x = 134,715,892.06/15,615.93
  6. Step 6: Final answer
    x = 8,626.82

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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.