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Finding the Fourth Proportional to 8,545.69, 12,820.16 and 2,703.16

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Solution

The fourth proportional to 8,545.69, 12,820.16 and 2,703.16 is: 4,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.69 : 12,820.16 = 2,703.16 : x
  2. Step 2: Convert to fraction form
    8,545.69/12,820.16 = 2,703.16/x
  3. Step 3: Cross multiply
    8,545.69x = 12,820.16 × 2,703.16
  4. Step 4: Simplify right side
    8,545.69x = 34,654,930.19
  5. Step 5: Solve for x
    x = 34,654,930.19/8,545.69
  6. Step 6: Final answer
    x = 4,055.25

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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.