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Finding the Fourth Proportional to 45,443.76, 68,165.28 and 17,741.76

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Solution

The fourth proportional to 45,443.76, 68,165.28 and 17,741.76 is: 26,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,443.76 : 68,165.28 = 17,741.76 : x
  2. Step 2: Convert to fraction form
    45,443.76/68,165.28 = 17,741.76/x
  3. Step 3: Cross multiply
    45,443.76x = 68,165.28 × 17,741.76
  4. Step 4: Simplify right side
    45,443.76x = 1,209,372,038.09
  5. Step 5: Solve for x
    x = 1,209,372,038.09/45,443.76
  6. Step 6: Final answer
    x = 26,612.50

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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.