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Finding the Fourth Proportional to 60,717.51, 83,790.51 and 33,861.15

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Solution

The fourth proportional to 60,717.51, 83,790.51 and 33,861.15 is: 46,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,717.51 : 83,790.51 = 33,861.15 : x
  2. Step 2: Convert to fraction form
    60,717.51/83,790.51 = 33,861.15/x
  3. Step 3: Cross multiply
    60,717.51x = 83,790.51 × 33,861.15
  4. Step 4: Simplify right side
    60,717.51x = 2,837,243,027.69
  5. Step 5: Solve for x
    x = 2,837,243,027.69/60,717.51
  6. Step 6: Final answer
    x = 46,728.58

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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.