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Finding the Fourth Proportional to 35,486.90, 48,967.70 and 19,568.17

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Solution

The fourth proportional to 35,486.90, 48,967.70 and 19,568.17 is: 27,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.90 : 48,967.70 = 19,568.17 : x
  2. Step 2: Convert to fraction form
    35,486.90/48,967.70 = 19,568.17/x
  3. Step 3: Cross multiply
    35,486.90x = 48,967.70 × 19,568.17
  4. Step 4: Simplify right side
    35,486.90x = 958,208,278.11
  5. Step 5: Solve for x
    x = 958,208,278.11/35,486.90
  6. Step 6: Final answer
    x = 27,001.75

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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.