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Finding the Fourth Proportional to 58,048.65, 87,086.61 and 18,065.57

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Solution

The fourth proportional to 58,048.65, 87,086.61 and 18,065.57 is: 27,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,048.65 : 87,086.61 = 18,065.57 : x
  2. Step 2: Convert to fraction form
    58,048.65/87,086.61 = 18,065.57/x
  3. Step 3: Cross multiply
    58,048.65x = 87,086.61 × 18,065.57
  4. Step 4: Simplify right side
    58,048.65x = 1,573,268,813.58
  5. Step 5: Solve for x
    x = 1,573,268,813.58/58,048.65
  6. Step 6: Final answer
    x = 27,102.59

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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.