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Finding the Fourth Proportional to 26,641.94, 39,952.52 and 9,992.90

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Solution

The fourth proportional to 26,641.94, 39,952.52 and 9,992.90 is: 14,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.94 : 39,952.52 = 9,992.90 : x
  2. Step 2: Convert to fraction form
    26,641.94/39,952.52 = 9,992.90/x
  3. Step 3: Cross multiply
    26,641.94x = 39,952.52 × 9,992.90
  4. Step 4: Simplify right side
    26,641.94x = 399,241,537.11
  5. Step 5: Solve for x
    x = 399,241,537.11/26,641.94
  6. Step 6: Final answer
    x = 14,985.45

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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.