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Finding the Fourth Proportional to 35,135.52, 48,486.63 and 19,219.78

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Solution

The fourth proportional to 35,135.52, 48,486.63 and 19,219.78 is: 26,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.52 : 48,486.63 = 19,219.78 : x
  2. Step 2: Convert to fraction form
    35,135.52/48,486.63 = 19,219.78/x
  3. Step 3: Cross multiply
    35,135.52x = 48,486.63 × 19,219.78
  4. Step 4: Simplify right side
    35,135.52x = 931,902,332.06
  5. Step 5: Solve for x
    x = 931,902,332.06/35,135.52
  6. Step 6: Final answer
    x = 26,523.08

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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.