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Finding the Fourth Proportional to 51,518.60, 77,234.70 and 26,894.60

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Solution

The fourth proportional to 51,518.60, 77,234.70 and 26,894.60 is: 40,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.60 : 77,234.70 = 26,894.60 : x
  2. Step 2: Convert to fraction form
    51,518.60/77,234.70 = 26,894.60/x
  3. Step 3: Cross multiply
    51,518.60x = 77,234.70 × 26,894.60
  4. Step 4: Simplify right side
    51,518.60x = 2,077,196,362.62
  5. Step 5: Solve for x
    x = 2,077,196,362.62/51,518.60
  6. Step 6: Final answer
    x = 40,319.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.