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Finding the Fourth Proportional to 8,752.99, 13,132.09 and 4,075.76

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Solution

The fourth proportional to 8,752.99, 13,132.09 and 4,075.76 is: 6,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.99 : 13,132.09 = 4,075.76 : x
  2. Step 2: Convert to fraction form
    8,752.99/13,132.09 = 4,075.76/x
  3. Step 3: Cross multiply
    8,752.99x = 13,132.09 × 4,075.76
  4. Step 4: Simplify right side
    8,752.99x = 53,523,247.14
  5. Step 5: Solve for x
    x = 53,523,247.14/8,752.99
  6. Step 6: Final answer
    x = 6,114.85

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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.