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Finding the Fourth Proportional to 10,866.66, 16,299.98 and 3,075.47

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Solution

The fourth proportional to 10,866.66, 16,299.98 and 3,075.47 is: 4,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.66 : 16,299.98 = 3,075.47 : x
  2. Step 2: Convert to fraction form
    10,866.66/16,299.98 = 3,075.47/x
  3. Step 3: Cross multiply
    10,866.66x = 16,299.98 × 3,075.47
  4. Step 4: Simplify right side
    10,866.66x = 50,130,092.57
  5. Step 5: Solve for x
    x = 50,130,092.57/10,866.66
  6. Step 6: Final answer
    x = 4,613.20

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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.