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Finding the Fourth Proportional to 10,591.58, 14,604.99 and 8,931.26

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Solution

The fourth proportional to 10,591.58, 14,604.99 and 8,931.26 is: 12,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.58 : 14,604.99 = 8,931.26 : x
  2. Step 2: Convert to fraction form
    10,591.58/14,604.99 = 8,931.26/x
  3. Step 3: Cross multiply
    10,591.58x = 14,604.99 × 8,931.26
  4. Step 4: Simplify right side
    10,591.58x = 130,440,962.99
  5. Step 5: Solve for x
    x = 130,440,962.99/10,591.58
  6. Step 6: Final answer
    x = 12,315.53

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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.