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Finding the Fourth Proportional to 5,365.77, 8,011.95 and 4,806.87

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Solution

The fourth proportional to 5,365.77, 8,011.95 and 4,806.87 is: 7,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.77 : 8,011.95 = 4,806.87 : x
  2. Step 2: Convert to fraction form
    5,365.77/8,011.95 = 4,806.87/x
  3. Step 3: Cross multiply
    5,365.77x = 8,011.95 × 4,806.87
  4. Step 4: Simplify right side
    5,365.77x = 38,512,402.10
  5. Step 5: Solve for x
    x = 38,512,402.10/5,365.77
  6. Step 6: Final answer
    x = 7,177.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.