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Finding the Fourth Proportional to 9,075.52, 13,594.08 and 8,971.84

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Solution

The fourth proportional to 9,075.52, 13,594.08 and 8,971.84 is: 13,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.52 : 13,594.08 = 8,971.84 : x
  2. Step 2: Convert to fraction form
    9,075.52/13,594.08 = 8,971.84/x
  3. Step 3: Cross multiply
    9,075.52x = 13,594.08 × 8,971.84
  4. Step 4: Simplify right side
    9,075.52x = 121,963,910.71
  5. Step 5: Solve for x
    x = 121,963,910.71/9,075.52
  6. Step 6: Final answer
    x = 13,438.78

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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.