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Finding the Fourth Proportional to 67,022.40, 100,526.40 and 17,774.40

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Solution

The fourth proportional to 67,022.40, 100,526.40 and 17,774.40 is: 26,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,022.40 : 100,526.40 = 17,774.40 : x
  2. Step 2: Convert to fraction form
    67,022.40/100,526.40 = 17,774.40/x
  3. Step 3: Cross multiply
    67,022.40x = 100,526.40 × 17,774.40
  4. Step 4: Simplify right side
    67,022.40x = 1,786,796,444.16
  5. Step 5: Solve for x
    x = 1,786,796,444.16/67,022.40
  6. Step 6: Final answer
    x = 26,659.69

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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.