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Finding the Fourth Proportional to 8,545.48, 12,829.29 and 8,194.48

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Solution

The fourth proportional to 8,545.48, 12,829.29 and 8,194.48 is: 12,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.48 : 12,829.29 = 8,194.48 : x
  2. Step 2: Convert to fraction form
    8,545.48/12,829.29 = 8,194.48/x
  3. Step 3: Cross multiply
    8,545.48x = 12,829.29 × 8,194.48
  4. Step 4: Simplify right side
    8,545.48x = 105,129,360.32
  5. Step 5: Solve for x
    x = 105,129,360.32/8,545.48
  6. Step 6: Final answer
    x = 12,302.34

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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.