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Finding the Fourth Proportional to 28,606.30, 42,819.07 and 25,597.13

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Solution

The fourth proportional to 28,606.30, 42,819.07 and 25,597.13 is: 38,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.30 : 42,819.07 = 25,597.13 : x
  2. Step 2: Convert to fraction form
    28,606.30/42,819.07 = 25,597.13/x
  3. Step 3: Cross multiply
    28,606.30x = 42,819.07 × 25,597.13
  4. Step 4: Simplify right side
    28,606.30x = 1,096,045,095.39
  5. Step 5: Solve for x
    x = 1,096,045,095.39/28,606.30
  6. Step 6: Final answer
    x = 38,314.81

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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.