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Finding the Fourth Proportional to 55,062.69, 82,590.68 and 19,525.76

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Solution

The fourth proportional to 55,062.69, 82,590.68 and 19,525.76 is: 29,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,062.69 : 82,590.68 = 19,525.76 : x
  2. Step 2: Convert to fraction form
    55,062.69/82,590.68 = 19,525.76/x
  3. Step 3: Cross multiply
    55,062.69x = 82,590.68 × 19,525.76
  4. Step 4: Simplify right side
    55,062.69x = 1,612,645,795.92
  5. Step 5: Solve for x
    x = 1,612,645,795.92/55,062.69
  6. Step 6: Final answer
    x = 29,287.45

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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.