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Finding the Fourth Proportional to 48,776.55, 67,311.55 and 26,420.55

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Solution

The fourth proportional to 48,776.55, 67,311.55 and 26,420.55 is: 36,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,776.55 : 67,311.55 = 26,420.55 : x
  2. Step 2: Convert to fraction form
    48,776.55/67,311.55 = 26,420.55/x
  3. Step 3: Cross multiply
    48,776.55x = 67,311.55 × 26,420.55
  4. Step 4: Simplify right side
    48,776.55x = 1,778,408,172.35
  5. Step 5: Solve for x
    x = 1,778,408,172.35/48,776.55
  6. Step 6: Final answer
    x = 36,460.31

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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.