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Finding the Fourth Proportional to 64,047.61, 88,313.82 and 41,356.80

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Solution

The fourth proportional to 64,047.61, 88,313.82 and 41,356.80 is: 57,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,047.61 : 88,313.82 = 41,356.80 : x
  2. Step 2: Convert to fraction form
    64,047.61/88,313.82 = 41,356.80/x
  3. Step 3: Cross multiply
    64,047.61x = 88,313.82 × 41,356.80
  4. Step 4: Simplify right side
    64,047.61x = 3,652,376,990.98
  5. Step 5: Solve for x
    x = 3,652,376,990.98/64,047.61
  6. Step 6: Final answer
    x = 57,025.97

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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.