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Finding the Fourth Proportional to 35,047.78, 48,364.09 and 19,129.14

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Solution

The fourth proportional to 35,047.78, 48,364.09 and 19,129.14 is: 26,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,047.78 : 48,364.09 = 19,129.14 : x
  2. Step 2: Convert to fraction form
    35,047.78/48,364.09 = 19,129.14/x
  3. Step 3: Cross multiply
    35,047.78x = 48,364.09 × 19,129.14
  4. Step 4: Simplify right side
    35,047.78x = 925,163,448.58
  5. Step 5: Solve for x
    x = 925,163,448.58/35,047.78
  6. Step 6: Final answer
    x = 26,397.21

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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.