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Finding the Fourth Proportional to 61,895.46, 85,415.64 and 33,601.16

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Solution

The fourth proportional to 61,895.46, 85,415.64 and 33,601.16 is: 46,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,895.46 : 85,415.64 = 33,601.16 : x
  2. Step 2: Convert to fraction form
    61,895.46/85,415.64 = 33,601.16/x
  3. Step 3: Cross multiply
    61,895.46x = 85,415.64 × 33,601.16
  4. Step 4: Simplify right side
    61,895.46x = 2,870,064,586.14
  5. Step 5: Solve for x
    x = 2,870,064,586.14/61,895.46
  6. Step 6: Final answer
    x = 46,369.55

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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.