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Finding the Fourth Proportional to 61,607.59, 85,018.57 and 33,313.28

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Solution

The fourth proportional to 61,607.59, 85,018.57 and 33,313.28 is: 45,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,607.59 : 85,018.57 = 33,313.28 : x
  2. Step 2: Convert to fraction form
    61,607.59/85,018.57 = 33,313.28/x
  3. Step 3: Cross multiply
    61,607.59x = 85,018.57 × 33,313.28
  4. Step 4: Simplify right side
    61,607.59x = 2,832,247,238.05
  5. Step 5: Solve for x
    x = 2,832,247,238.05/61,607.59
  6. Step 6: Final answer
    x = 45,972.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.