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Finding the Fourth Proportional to 38,498.68, 53,125.68 and 22,364.56

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Solution

The fourth proportional to 38,498.68, 53,125.68 and 22,364.56 is: 30,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498.68 : 53,125.68 = 22,364.56 : x
  2. Step 2: Convert to fraction form
    38,498.68/53,125.68 = 22,364.56/x
  3. Step 3: Cross multiply
    38,498.68x = 53,125.68 × 22,364.56
  4. Step 4: Simplify right side
    38,498.68x = 1,188,132,457.90
  5. Step 5: Solve for x
    x = 1,188,132,457.90/38,498.68
  6. Step 6: Final answer
    x = 30,861.64

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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.