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Finding the Fourth Proportional to 51,635.60, 77,451.80 and 14,699.60

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Solution

The fourth proportional to 51,635.60, 77,451.80 and 14,699.60 is: 22,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,635.60 : 77,451.80 = 14,699.60 : x
  2. Step 2: Convert to fraction form
    51,635.60/77,451.80 = 14,699.60/x
  3. Step 3: Cross multiply
    51,635.60x = 77,451.80 × 14,699.60
  4. Step 4: Simplify right side
    51,635.60x = 1,138,510,479.28
  5. Step 5: Solve for x
    x = 1,138,510,479.28/51,635.60
  6. Step 6: Final answer
    x = 22,048.94

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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.