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Finding the Fourth Proportional to 30,994.25, 46,484.38 and 8,807.13

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Solution

The fourth proportional to 30,994.25, 46,484.38 and 8,807.13 is: 13,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.25 : 46,484.38 = 8,807.13 : x
  2. Step 2: Convert to fraction form
    30,994.25/46,484.38 = 8,807.13/x
  3. Step 3: Cross multiply
    30,994.25x = 46,484.38 × 8,807.13
  4. Step 4: Simplify right side
    30,994.25x = 409,393,988.64
  5. Step 5: Solve for x
    x = 409,393,988.64/30,994.25
  6. Step 6: Final answer
    x = 13,208.71

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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.