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Finding the Fourth Proportional to 7,068.88, 9,754.74 and 3,924.82

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Solution

The fourth proportional to 7,068.88, 9,754.74 and 3,924.82 is: 5,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.88 : 9,754.74 = 3,924.82 : x
  2. Step 2: Convert to fraction form
    7,068.88/9,754.74 = 3,924.82/x
  3. Step 3: Cross multiply
    7,068.88x = 9,754.74 × 3,924.82
  4. Step 4: Simplify right side
    7,068.88x = 38,285,598.65
  5. Step 5: Solve for x
    x = 38,285,598.65/7,068.88
  6. Step 6: Final answer
    x = 5,416.08

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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.