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Finding the Fourth Proportional to 35,292.17, 48,712.52 and 21,855.79

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Solution

The fourth proportional to 35,292.17, 48,712.52 and 21,855.79 is: 30,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,292.17 : 48,712.52 = 21,855.79 : x
  2. Step 2: Convert to fraction form
    35,292.17/48,712.52 = 21,855.79/x
  3. Step 3: Cross multiply
    35,292.17x = 48,712.52 × 21,855.79
  4. Step 4: Simplify right side
    35,292.17x = 1,064,650,723.02
  5. Step 5: Solve for x
    x = 1,064,650,723.02/35,292.17
  6. Step 6: Final answer
    x = 30,166.77

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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.