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Finding the Fourth Proportional to 7,827.77, 10,801.65 and 4,469.92

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Solution

The fourth proportional to 7,827.77, 10,801.65 and 4,469.92 is: 6,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.77 : 10,801.65 = 4,469.92 : x
  2. Step 2: Convert to fraction form
    7,827.77/10,801.65 = 4,469.92/x
  3. Step 3: Cross multiply
    7,827.77x = 10,801.65 × 4,469.92
  4. Step 4: Simplify right side
    7,827.77x = 48,282,501.13
  5. Step 5: Solve for x
    x = 48,282,501.13/7,827.77
  6. Step 6: Final answer
    x = 6,168.10

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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.