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Finding the Fourth Proportional to 60,173.91, 90,275.45 and 18,053.91

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Solution

The fourth proportional to 60,173.91, 90,275.45 and 18,053.91 is: 27,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,173.91 : 90,275.45 = 18,053.91 : x
  2. Step 2: Convert to fraction form
    60,173.91/90,275.45 = 18,053.91/x
  3. Step 3: Cross multiply
    60,173.91x = 90,275.45 × 18,053.91
  4. Step 4: Simplify right side
    60,173.91x = 1,629,824,759.24
  5. Step 5: Solve for x
    x = 1,629,824,759.24/60,173.91
  6. Step 6: Final answer
    x = 27,085.24

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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.