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Finding the Fourth Proportional to 9,915.16, 14,852.91 and 5,964.24

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Solution

The fourth proportional to 9,915.16, 14,852.91 and 5,964.24 is: 8,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.16 : 14,852.91 = 5,964.24 : x
  2. Step 2: Convert to fraction form
    9,915.16/14,852.91 = 5,964.24/x
  3. Step 3: Cross multiply
    9,915.16x = 14,852.91 × 5,964.24
  4. Step 4: Simplify right side
    9,915.16x = 88,586,319.94
  5. Step 5: Solve for x
    x = 88,586,319.94/9,915.16
  6. Step 6: Final answer
    x = 8,934.43

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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.