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Finding the Fourth Proportional to 9,866.15, 14,798.74 and 3,625.68

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Solution

The fourth proportional to 9,866.15, 14,798.74 and 3,625.68 is: 5,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.15 : 14,798.74 = 3,625.68 : x
  2. Step 2: Convert to fraction form
    9,866.15/14,798.74 = 3,625.68/x
  3. Step 3: Cross multiply
    9,866.15x = 14,798.74 × 3,625.68
  4. Step 4: Simplify right side
    9,866.15x = 53,655,486.58
  5. Step 5: Solve for x
    x = 53,655,486.58/9,866.15
  6. Step 6: Final answer
    x = 5,438.34

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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.