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Finding the Fourth Proportional to 8,545.56, 12,802.94 and 8,030.91

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Solution

The fourth proportional to 8,545.56, 12,802.94 and 8,030.91 is: 12,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.56 : 12,802.94 = 8,030.91 : x
  2. Step 2: Convert to fraction form
    8,545.56/12,802.94 = 8,030.91/x
  3. Step 3: Cross multiply
    8,545.56x = 12,802.94 × 8,030.91
  4. Step 4: Simplify right side
    8,545.56x = 102,819,218.72
  5. Step 5: Solve for x
    x = 102,819,218.72/8,545.56
  6. Step 6: Final answer
    x = 12,031.89

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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.