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Finding the Fourth Proportional to 9,842.88, 14,753.88 and 4,838.20

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Solution

The fourth proportional to 9,842.88, 14,753.88 and 4,838.20 is: 7,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842.88 : 14,753.88 = 4,838.20 : x
  2. Step 2: Convert to fraction form
    9,842.88/14,753.88 = 4,838.20/x
  3. Step 3: Cross multiply
    9,842.88x = 14,753.88 × 4,838.20
  4. Step 4: Simplify right side
    9,842.88x = 71,382,222.07
  5. Step 5: Solve for x
    x = 71,382,222.07/9,842.88
  6. Step 6: Final answer
    x = 7,252.17

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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.