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Finding the Fourth Proportional to 58,570.10, 87,863.73 and 18,575.74

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Solution

The fourth proportional to 58,570.10, 87,863.73 and 18,575.74 is: 27,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,570.10 : 87,863.73 = 18,575.74 : x
  2. Step 2: Convert to fraction form
    58,570.10/87,863.73 = 18,575.74/x
  3. Step 3: Cross multiply
    58,570.10x = 87,863.73 × 18,575.74
  4. Step 4: Simplify right side
    58,570.10x = 1,632,133,803.91
  5. Step 5: Solve for x
    x = 1,632,133,803.91/58,570.10
  6. Step 6: Final answer
    x = 27,866.33

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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.