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Finding the Fourth Proportional to 9,915.52, 14,756.24 and 9,591.52

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Solution

The fourth proportional to 9,915.52, 14,756.24 and 9,591.52 is: 14,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.52 : 14,756.24 = 9,591.52 : x
  2. Step 2: Convert to fraction form
    9,915.52/14,756.24 = 9,591.52/x
  3. Step 3: Cross multiply
    9,915.52x = 14,756.24 × 9,591.52
  4. Step 4: Simplify right side
    9,915.52x = 141,534,771.08
  5. Step 5: Solve for x
    x = 141,534,771.08/9,915.52
  6. Step 6: Final answer
    x = 14,274.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.