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Finding the Fourth Proportional to 7,075.46, 10,610.46 and 3,126.51

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Solution

The fourth proportional to 7,075.46, 10,610.46 and 3,126.51 is: 4,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.46 : 10,610.46 = 3,126.51 : x
  2. Step 2: Convert to fraction form
    7,075.46/10,610.46 = 3,126.51/x
  3. Step 3: Cross multiply
    7,075.46x = 10,610.46 × 3,126.51
  4. Step 4: Simplify right side
    7,075.46x = 33,173,709.29
  5. Step 5: Solve for x
    x = 33,173,709.29/7,075.46
  6. Step 6: Final answer
    x = 4,688.56

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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.