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Finding the Fourth Proportional to 70,655.97, 105,984.17 and 17,348.16

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Solution

The fourth proportional to 70,655.97, 105,984.17 and 17,348.16 is: 26,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,655.97 : 105,984.17 = 17,348.16 : x
  2. Step 2: Convert to fraction form
    70,655.97/105,984.17 = 17,348.16/x
  3. Step 3: Cross multiply
    70,655.97x = 105,984.17 × 17,348.16
  4. Step 4: Simplify right side
    70,655.97x = 1,838,630,338.63
  5. Step 5: Solve for x
    x = 1,838,630,338.63/70,655.97
  6. Step 6: Final answer
    x = 26,022.29

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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.