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Finding the Fourth Proportional to 73,059.18, 109,588.41 and 17,655.18

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Solution

The fourth proportional to 73,059.18, 109,588.41 and 17,655.18 is: 26,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,059.18 : 109,588.41 = 17,655.18 : x
  2. Step 2: Convert to fraction form
    73,059.18/109,588.41 = 17,655.18/x
  3. Step 3: Cross multiply
    73,059.18x = 109,588.41 × 17,655.18
  4. Step 4: Simplify right side
    73,059.18x = 1,934,803,104.46
  5. Step 5: Solve for x
    x = 1,934,803,104.46/73,059.18
  6. Step 6: Final answer
    x = 26,482.68

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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.