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Finding the Fourth Proportional to 35,390.84, 48,838.12 and 19,473.80

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Solution

The fourth proportional to 35,390.84, 48,838.12 and 19,473.80 is: 26,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,390.84 : 48,838.12 = 19,473.80 : x
  2. Step 2: Convert to fraction form
    35,390.84/48,838.12 = 19,473.80/x
  3. Step 3: Cross multiply
    35,390.84x = 48,838.12 × 19,473.80
  4. Step 4: Simplify right side
    35,390.84x = 951,063,781.26
  5. Step 5: Solve for x
    x = 951,063,781.26/35,390.84
  6. Step 6: Final answer
    x = 26,873.16

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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.