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Finding the Fourth Proportional to 7,935.30, 10,950.80 and 4,398.71

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Solution

The fourth proportional to 7,935.30, 10,950.80 and 4,398.71 is: 6,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.30 : 10,950.80 = 4,398.71 : x
  2. Step 2: Convert to fraction form
    7,935.30/10,950.80 = 4,398.71/x
  3. Step 3: Cross multiply
    7,935.30x = 10,950.80 × 4,398.71
  4. Step 4: Simplify right side
    7,935.30x = 48,169,316.72
  5. Step 5: Solve for x
    x = 48,169,316.72/7,935.30
  6. Step 6: Final answer
    x = 6,070.26

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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.