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Finding the Fourth Proportional to 9,807.62, 14,712.44 and 4,259.39

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Solution

The fourth proportional to 9,807.62, 14,712.44 and 4,259.39 is: 6,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.62 : 14,712.44 = 4,259.39 : x
  2. Step 2: Convert to fraction form
    9,807.62/14,712.44 = 4,259.39/x
  3. Step 3: Cross multiply
    9,807.62x = 14,712.44 × 4,259.39
  4. Step 4: Simplify right side
    9,807.62x = 62,665,924.95
  5. Step 5: Solve for x
    x = 62,665,924.95/9,807.62
  6. Step 6: Final answer
    x = 6,389.52

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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.