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Finding the Fourth Proportional to 59,420.67, 89,128.09 and 15,048.19

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Solution

The fourth proportional to 59,420.67, 89,128.09 and 15,048.19 is: 22,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,420.67 : 89,128.09 = 15,048.19 : x
  2. Step 2: Convert to fraction form
    59,420.67/89,128.09 = 15,048.19/x
  3. Step 3: Cross multiply
    59,420.67x = 89,128.09 × 15,048.19
  4. Step 4: Simplify right side
    59,420.67x = 1,341,216,432.66
  5. Step 5: Solve for x
    x = 1,341,216,432.66/59,420.67
  6. Step 6: Final answer
    x = 22,571.55

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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.