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Finding the Fourth Proportional to 69,613.76, 104,420.64 and 17,023.16

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Solution

The fourth proportional to 69,613.76, 104,420.64 and 17,023.16 is: 25,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,613.76 : 104,420.64 = 17,023.16 : x
  2. Step 2: Convert to fraction form
    69,613.76/104,420.64 = 17,023.16/x
  3. Step 3: Cross multiply
    69,613.76x = 104,420.64 × 17,023.16
  4. Step 4: Simplify right side
    69,613.76x = 1,777,569,262.02
  5. Step 5: Solve for x
    x = 1,777,569,262.02/69,613.76
  6. Step 6: Final answer
    x = 25,534.74

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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.