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Finding the Fourth Proportional to 25,165.60, 37,764.60 and 14,635.60

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Solution

The fourth proportional to 25,165.60, 37,764.60 and 14,635.60 is: 21,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.60 : 37,764.60 = 14,635.60 : x
  2. Step 2: Convert to fraction form
    25,165.60/37,764.60 = 14,635.60/x
  3. Step 3: Cross multiply
    25,165.60x = 37,764.60 × 14,635.60
  4. Step 4: Simplify right side
    25,165.60x = 552,707,579.76
  5. Step 5: Solve for x
    x = 552,707,579.76/25,165.60
  6. Step 6: Final answer
    x = 21,962.82

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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.