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Finding the Fourth Proportional to 8,693.49, 13,040.24 and 4,075.41

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Solution

The fourth proportional to 8,693.49, 13,040.24 and 4,075.41 is: 6,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.49 : 13,040.24 = 4,075.41 : x
  2. Step 2: Convert to fraction form
    8,693.49/13,040.24 = 4,075.41/x
  3. Step 3: Cross multiply
    8,693.49x = 13,040.24 × 4,075.41
  4. Step 4: Simplify right side
    8,693.49x = 53,144,304.12
  5. Step 5: Solve for x
    x = 53,144,304.12/8,693.49
  6. Step 6: Final answer
    x = 6,113.12

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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.