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Finding the Fourth Proportional to 8,754.68, 12,075.84 and 5,888.19

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Solution

The fourth proportional to 8,754.68, 12,075.84 and 5,888.19 is: 8,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.68 : 12,075.84 = 5,888.19 : x
  2. Step 2: Convert to fraction form
    8,754.68/12,075.84 = 5,888.19/x
  3. Step 3: Cross multiply
    8,754.68x = 12,075.84 × 5,888.19
  4. Step 4: Simplify right side
    8,754.68x = 71,104,840.33
  5. Step 5: Solve for x
    x = 71,104,840.33/8,754.68
  6. Step 6: Final answer
    x = 8,121.93

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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.