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Finding the Fourth Proportional to 21,647.95, 32,473.77 and 7,606.77

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Solution

The fourth proportional to 21,647.95, 32,473.77 and 7,606.77 is: 11,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.95 : 32,473.77 = 7,606.77 : x
  2. Step 2: Convert to fraction form
    21,647.95/32,473.77 = 7,606.77/x
  3. Step 3: Cross multiply
    21,647.95x = 32,473.77 × 7,606.77
  4. Step 4: Simplify right side
    21,647.95x = 247,020,332.94
  5. Step 5: Solve for x
    x = 247,020,332.94/21,647.95
  6. Step 6: Final answer
    x = 11,410.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.