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Finding the Fourth Proportional to 39,363.68, 54,319.74 and 22,596.68

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Solution

The fourth proportional to 39,363.68, 54,319.74 and 22,596.68 is: 31,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,363.68 : 54,319.74 = 22,596.68 : x
  2. Step 2: Convert to fraction form
    39,363.68/54,319.74 = 22,596.68/x
  3. Step 3: Cross multiply
    39,363.68x = 54,319.74 × 22,596.68
  4. Step 4: Simplify right side
    39,363.68x = 1,227,445,782.46
  5. Step 5: Solve for x
    x = 1,227,445,782.46/39,363.68
  6. Step 6: Final answer
    x = 31,182.19

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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.