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Finding the Fourth Proportional to 5,818.12, 8,766.01 and 5,263.48

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Solution

The fourth proportional to 5,818.12, 8,766.01 and 5,263.48 is: 7,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.12 : 8,766.01 = 5,263.48 : x
  2. Step 2: Convert to fraction form
    5,818.12/8,766.01 = 5,263.48/x
  3. Step 3: Cross multiply
    5,818.12x = 8,766.01 × 5,263.48
  4. Step 4: Simplify right side
    5,818.12x = 46,139,718.31
  5. Step 5: Solve for x
    x = 46,139,718.31/5,818.12
  6. Step 6: Final answer
    x = 7,930.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.