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Finding the Fourth Proportional to 35,493.84, 48,981.76 and 19,577.88

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Solution

The fourth proportional to 35,493.84, 48,981.76 and 19,577.88 is: 27,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,493.84 : 48,981.76 = 19,577.88 : x
  2. Step 2: Convert to fraction form
    35,493.84/48,981.76 = 19,577.88/x
  3. Step 3: Cross multiply
    35,493.84x = 48,981.76 × 19,577.88
  4. Step 4: Simplify right side
    35,493.84x = 958,959,019.47
  5. Step 5: Solve for x
    x = 958,959,019.47/35,493.84
  6. Step 6: Final answer
    x = 27,017.62

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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.