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Finding the Fourth Proportional to 9,472.77, 13,075.29 and 5,494.86

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Solution

The fourth proportional to 9,472.77, 13,075.29 and 5,494.86 is: 7,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472.77 : 13,075.29 = 5,494.86 : x
  2. Step 2: Convert to fraction form
    9,472.77/13,075.29 = 5,494.86/x
  3. Step 3: Cross multiply
    9,472.77x = 13,075.29 × 5,494.86
  4. Step 4: Simplify right side
    9,472.77x = 71,846,888.01
  5. Step 5: Solve for x
    x = 71,846,888.01/9,472.77
  6. Step 6: Final answer
    x = 7,584.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.