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Finding the Fourth Proportional to 35,041.80, 48,359.12 and 19,937.12

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Solution

The fourth proportional to 35,041.80, 48,359.12 and 19,937.12 is: 27,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,041.80 : 48,359.12 = 19,937.12 : x
  2. Step 2: Convert to fraction form
    35,041.80/48,359.12 = 19,937.12/x
  3. Step 3: Cross multiply
    35,041.80x = 48,359.12 × 19,937.12
  4. Step 4: Simplify right side
    35,041.80x = 964,141,578.53
  5. Step 5: Solve for x
    x = 964,141,578.53/35,041.80
  6. Step 6: Final answer
    x = 27,514.04

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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.