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Finding the Fourth Proportional to 8,503.55, 11,734.74 and 4,726.65

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Solution

The fourth proportional to 8,503.55, 11,734.74 and 4,726.65 is: 6,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.55 : 11,734.74 = 4,726.65 : x
  2. Step 2: Convert to fraction form
    8,503.55/11,734.74 = 4,726.65/x
  3. Step 3: Cross multiply
    8,503.55x = 11,734.74 × 4,726.65
  4. Step 4: Simplify right side
    8,503.55x = 55,466,008.82
  5. Step 5: Solve for x
    x = 55,466,008.82/8,503.55
  6. Step 6: Final answer
    x = 6,522.69

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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.