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Finding the Fourth Proportional to 75,317.58, 112,947.47 and 25,384.22

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Solution

The fourth proportional to 75,317.58, 112,947.47 and 25,384.22 is: 38,066.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,317.58 : 112,947.47 = 25,384.22 : x
  2. Step 2: Convert to fraction form
    75,317.58/112,947.47 = 25,384.22/x
  3. Step 3: Cross multiply
    75,317.58x = 112,947.47 × 25,384.22
  4. Step 4: Simplify right side
    75,317.58x = 2,867,083,426.92
  5. Step 5: Solve for x
    x = 2,867,083,426.92/75,317.58
  6. Step 6: Final answer
    x = 38,066.59

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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.