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Finding the Fourth Proportional to 35,512.59, 53,257.95 and 29,979.48

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Solution

The fourth proportional to 35,512.59, 53,257.95 and 29,979.48 is: 44,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.59 : 53,257.95 = 29,979.48 : x
  2. Step 2: Convert to fraction form
    35,512.59/53,257.95 = 29,979.48/x
  3. Step 3: Cross multiply
    35,512.59x = 53,257.95 × 29,979.48
  4. Step 4: Simplify right side
    35,512.59x = 1,596,645,646.87
  5. Step 5: Solve for x
    x = 1,596,645,646.87/35,512.59
  6. Step 6: Final answer
    x = 44,959.99

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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.