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Finding the Fourth Proportional to 35,393.70, 48,844.60 and 19,479.36

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Solution

The fourth proportional to 35,393.70, 48,844.60 and 19,479.36 is: 26,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,393.70 : 48,844.60 = 19,479.36 : x
  2. Step 2: Convert to fraction form
    35,393.70/48,844.60 = 19,479.36/x
  3. Step 3: Cross multiply
    35,393.70x = 48,844.60 × 19,479.36
  4. Step 4: Simplify right side
    35,393.70x = 951,461,547.46
  5. Step 5: Solve for x
    x = 951,461,547.46/35,393.70
  6. Step 6: Final answer
    x = 26,882.23

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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.