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Finding the Fourth Proportional to 60,676.17, 91,005.75 and 25,607.63

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Solution

The fourth proportional to 60,676.17, 91,005.75 and 25,607.63 is: 38,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,676.17 : 91,005.75 = 25,607.63 : x
  2. Step 2: Convert to fraction form
    60,676.17/91,005.75 = 25,607.63/x
  3. Step 3: Cross multiply
    60,676.17x = 91,005.75 × 25,607.63
  4. Step 4: Simplify right side
    60,676.17x = 2,330,441,118.84
  5. Step 5: Solve for x
    x = 2,330,441,118.84/60,676.17
  6. Step 6: Final answer
    x = 38,407.85

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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.