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Finding the Fourth Proportional to 58,566.42, 87,842.34 and 19,120.23

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Solution

The fourth proportional to 58,566.42, 87,842.34 and 19,120.23 is: 28,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,566.42 : 87,842.34 = 19,120.23 : x
  2. Step 2: Convert to fraction form
    58,566.42/87,842.34 = 19,120.23/x
  3. Step 3: Cross multiply
    58,566.42x = 87,842.34 × 19,120.23
  4. Step 4: Simplify right side
    58,566.42x = 1,679,565,744.54
  5. Step 5: Solve for x
    x = 1,679,565,744.54/58,566.42
  6. Step 6: Final answer
    x = 28,677.97

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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.