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Finding the Fourth Proportional to 61,963.96, 85,545.84 and 40,804.84

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Solution

The fourth proportional to 61,963.96, 85,545.84 and 40,804.84 is: 56,334.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.96 : 85,545.84 = 40,804.84 : x
  2. Step 2: Convert to fraction form
    61,963.96/85,545.84 = 40,804.84/x
  3. Step 3: Cross multiply
    61,963.96x = 85,545.84 × 40,804.84
  4. Step 4: Simplify right side
    61,963.96x = 3,490,684,313.87
  5. Step 5: Solve for x
    x = 3,490,684,313.87/61,963.96
  6. Step 6: Final answer
    x = 56,334.11

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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.