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Finding the Fourth Proportional to 35,411.75, 53,117.63 and 10,787.75

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Solution

The fourth proportional to 35,411.75, 53,117.63 and 10,787.75 is: 16,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,411.75 : 53,117.63 = 10,787.75 : x
  2. Step 2: Convert to fraction form
    35,411.75/53,117.63 = 10,787.75/x
  3. Step 3: Cross multiply
    35,411.75x = 53,117.63 × 10,787.75
  4. Step 4: Simplify right side
    35,411.75x = 573,019,713.03
  5. Step 5: Solve for x
    x = 573,019,713.03/35,411.75
  6. Step 6: Final answer
    x = 16,181.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.