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Finding the Fourth Proportional to 35,895.91, 49,536.35 and 19,980.02

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Solution

The fourth proportional to 35,895.91, 49,536.35 and 19,980.02 is: 27,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,895.91 : 49,536.35 = 19,980.02 : x
  2. Step 2: Convert to fraction form
    35,895.91/49,536.35 = 19,980.02/x
  3. Step 3: Cross multiply
    35,895.91x = 49,536.35 × 19,980.02
  4. Step 4: Simplify right side
    35,895.91x = 989,737,263.73
  5. Step 5: Solve for x
    x = 989,737,263.73/35,895.91
  6. Step 6: Final answer
    x = 27,572.42

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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.