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Finding the Fourth Proportional to 9,888.28, 14,824.29 and 4,620.68

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Solution

The fourth proportional to 9,888.28, 14,824.29 and 4,620.68 is: 6,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.28 : 14,824.29 = 4,620.68 : x
  2. Step 2: Convert to fraction form
    9,888.28/14,824.29 = 4,620.68/x
  3. Step 3: Cross multiply
    9,888.28x = 14,824.29 × 4,620.68
  4. Step 4: Simplify right side
    9,888.28x = 68,498,300.32
  5. Step 5: Solve for x
    x = 68,498,300.32/9,888.28
  6. Step 6: Final answer
    x = 6,927.22

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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.