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Finding the Fourth Proportional to 35,486.83, 48,972.09 and 19,570.87

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Solution

The fourth proportional to 35,486.83, 48,972.09 and 19,570.87 is: 27,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.83 : 48,972.09 = 19,570.87 : x
  2. Step 2: Convert to fraction form
    35,486.83/48,972.09 = 19,570.87/x
  3. Step 3: Cross multiply
    35,486.83x = 48,972.09 × 19,570.87
  4. Step 4: Simplify right side
    35,486.83x = 958,426,407.02
  5. Step 5: Solve for x
    x = 958,426,407.02/35,486.83
  6. Step 6: Final answer
    x = 27,007.95

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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.