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Finding the Fourth Proportional to 7,762.03, 11,649.05 and 5,510.43

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Solution

The fourth proportional to 7,762.03, 11,649.05 and 5,510.43 is: 8,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.03 : 11,649.05 = 5,510.43 : x
  2. Step 2: Convert to fraction form
    7,762.03/11,649.05 = 5,510.43/x
  3. Step 3: Cross multiply
    7,762.03x = 11,649.05 × 5,510.43
  4. Step 4: Simplify right side
    7,762.03x = 64,191,267.70
  5. Step 5: Solve for x
    x = 64,191,267.70/7,762.03
  6. Step 6: Final answer
    x = 8,269.91

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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.