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Finding the Fourth Proportional to 61,866.99, 85,376.67 and 33,572.67

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Solution

The fourth proportional to 61,866.99, 85,376.67 and 33,572.67 is: 46,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,866.99 : 85,376.67 = 33,572.67 : x
  2. Step 2: Convert to fraction form
    61,866.99/85,376.67 = 33,572.67/x
  3. Step 3: Cross multiply
    61,866.99x = 85,376.67 × 33,572.67
  4. Step 4: Simplify right side
    61,866.99x = 2,866,322,767.61
  5. Step 5: Solve for x
    x = 2,866,322,767.61/61,866.99
  6. Step 6: Final answer
    x = 46,330.41

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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.