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Finding the Fourth Proportional to 67,547.25, 101,320.88 and 18,299.25

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Solution

The fourth proportional to 67,547.25, 101,320.88 and 18,299.25 is: 27,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,547.25 : 101,320.88 = 18,299.25 : x
  2. Step 2: Convert to fraction form
    67,547.25/101,320.88 = 18,299.25/x
  3. Step 3: Cross multiply
    67,547.25x = 101,320.88 × 18,299.25
  4. Step 4: Simplify right side
    67,547.25x = 1,854,096,021.84
  5. Step 5: Solve for x
    x = 1,854,096,021.84/67,547.25
  6. Step 6: Final answer
    x = 27,448.88

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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.