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Finding the Fourth Proportional to 8,326.94, 12,490.47 and 2,403.95

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Solution

The fourth proportional to 8,326.94, 12,490.47 and 2,403.95 is: 3,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.94 : 12,490.47 = 2,403.95 : x
  2. Step 2: Convert to fraction form
    8,326.94/12,490.47 = 2,403.95/x
  3. Step 3: Cross multiply
    8,326.94x = 12,490.47 × 2,403.95
  4. Step 4: Simplify right side
    8,326.94x = 30,026,402.90
  5. Step 5: Solve for x
    x = 30,026,402.90/8,326.94
  6. Step 6: Final answer
    x = 3,605.94

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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.