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Finding the Fourth Proportional to 39,482.91, 54,489.04 and 22,259.52

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Solution

The fourth proportional to 39,482.91, 54,489.04 and 22,259.52 is: 30,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.91 : 54,489.04 = 22,259.52 : x
  2. Step 2: Convert to fraction form
    39,482.91/54,489.04 = 22,259.52/x
  3. Step 3: Cross multiply
    39,482.91x = 54,489.04 × 22,259.52
  4. Step 4: Simplify right side
    39,482.91x = 1,212,899,875.66
  5. Step 5: Solve for x
    x = 1,212,899,875.66/39,482.91
  6. Step 6: Final answer
    x = 30,719.62

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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.