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Finding the Fourth Proportional to 73,126.04, 109,689.05 and 17,722.04

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Solution

The fourth proportional to 73,126.04, 109,689.05 and 17,722.04 is: 26,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,126.04 : 109,689.05 = 17,722.04 : x
  2. Step 2: Convert to fraction form
    73,126.04/109,689.05 = 17,722.04/x
  3. Step 3: Cross multiply
    73,126.04x = 109,689.05 × 17,722.04
  4. Step 4: Simplify right side
    73,126.04x = 1,943,913,094.61
  5. Step 5: Solve for x
    x = 1,943,913,094.61/73,126.04
  6. Step 6: Final answer
    x = 26,583.05

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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.