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Finding the Fourth Proportional to 52,990.17, 79,468.28 and 17,443.22

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Solution

The fourth proportional to 52,990.17, 79,468.28 and 17,443.22 is: 26,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,990.17 : 79,468.28 = 17,443.22 : x
  2. Step 2: Convert to fraction form
    52,990.17/79,468.28 = 17,443.22/x
  3. Step 3: Cross multiply
    52,990.17x = 79,468.28 × 17,443.22
  4. Step 4: Simplify right side
    52,990.17x = 1,386,182,991.49
  5. Step 5: Solve for x
    x = 1,386,182,991.49/52,990.17
  6. Step 6: Final answer
    x = 26,159.25

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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.