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Finding the Fourth Proportional to 8,597.88, 12,888.64 and 2,750.72

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Solution

The fourth proportional to 8,597.88, 12,888.64 and 2,750.72 is: 4,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.88 : 12,888.64 = 2,750.72 : x
  2. Step 2: Convert to fraction form
    8,597.88/12,888.64 = 2,750.72/x
  3. Step 3: Cross multiply
    8,597.88x = 12,888.64 × 2,750.72
  4. Step 4: Simplify right side
    8,597.88x = 35,453,039.82
  5. Step 5: Solve for x
    x = 35,453,039.82/8,597.88
  6. Step 6: Final answer
    x = 4,123.46

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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.