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Finding the Fourth Proportional to 7,068.16, 9,754.50 and 3,924.37

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Solution

The fourth proportional to 7,068.16, 9,754.50 and 3,924.37 is: 5,415.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.16 : 9,754.50 = 3,924.37 : x
  2. Step 2: Convert to fraction form
    7,068.16/9,754.50 = 3,924.37/x
  3. Step 3: Cross multiply
    7,068.16x = 9,754.50 × 3,924.37
  4. Step 4: Simplify right side
    7,068.16x = 38,280,267.17
  5. Step 5: Solve for x
    x = 38,280,267.17/7,068.16
  6. Step 6: Final answer
    x = 5,415.87

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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.