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Finding the Fourth Proportional to 9,605.15, 14,403.84 and 4,339.95

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Solution

The fourth proportional to 9,605.15, 14,403.84 and 4,339.95 is: 6,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.15 : 14,403.84 = 4,339.95 : x
  2. Step 2: Convert to fraction form
    9,605.15/14,403.84 = 4,339.95/x
  3. Step 3: Cross multiply
    9,605.15x = 14,403.84 × 4,339.95
  4. Step 4: Simplify right side
    9,605.15x = 62,511,875.12
  5. Step 5: Solve for x
    x = 62,511,875.12/9,605.15
  6. Step 6: Final answer
    x = 6,508.16

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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.