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Finding the Fourth Proportional to 8,852.64, 13,252.80 and 7,759.08

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Solution

The fourth proportional to 8,852.64, 13,252.80 and 7,759.08 is: 11,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.64 : 13,252.80 = 7,759.08 : x
  2. Step 2: Convert to fraction form
    8,852.64/13,252.80 = 7,759.08/x
  3. Step 3: Cross multiply
    8,852.64x = 13,252.80 × 7,759.08
  4. Step 4: Simplify right side
    8,852.64x = 102,829,535.42
  5. Step 5: Solve for x
    x = 102,829,535.42/8,852.64
  6. Step 6: Final answer
    x = 11,615.69

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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.