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Finding the Fourth Proportional to 60,328.51, 90,489.06 and 27,039.63

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Solution

The fourth proportional to 60,328.51, 90,489.06 and 27,039.63 is: 40,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,328.51 : 90,489.06 = 27,039.63 : x
  2. Step 2: Convert to fraction form
    60,328.51/90,489.06 = 27,039.63/x
  3. Step 3: Cross multiply
    60,328.51x = 90,489.06 × 27,039.63
  4. Step 4: Simplify right side
    60,328.51x = 2,446,790,701.45
  5. Step 5: Solve for x
    x = 2,446,790,701.45/60,328.51
  6. Step 6: Final answer
    x = 40,557.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.