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Finding the Fourth Proportional to 54,709, 75,479.57 and 33,205.52

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Solution

The fourth proportional to 54,709, 75,479.57 and 33,205.52 is: 45,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,709 : 75,479.57 = 33,205.52 : x
  2. Step 2: Convert to fraction form
    54,709/75,479.57 = 33,205.52/x
  3. Step 3: Cross multiply
    54,709x = 75,479.57 × 33,205.52
  4. Step 4: Simplify right side
    54,709x = 2,506,338,371.23
  5. Step 5: Solve for x
    x = 2,506,338,371.23/54,709
  6. Step 6: Final answer
    x = 45,812.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.