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Finding the Fourth Proportional to 9,058.67, 12,500.96 and 5,079.77

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Solution

The fourth proportional to 9,058.67, 12,500.96 and 5,079.77 is: 7,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,058.67 : 12,500.96 = 5,079.77 : x
  2. Step 2: Convert to fraction form
    9,058.67/12,500.96 = 5,079.77/x
  3. Step 3: Cross multiply
    9,058.67x = 12,500.96 × 5,079.77
  4. Step 4: Simplify right side
    9,058.67x = 63,501,913.68
  5. Step 5: Solve for x
    x = 63,501,913.68/9,058.67
  6. Step 6: Final answer
    x = 7,010.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.