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Finding the Fourth Proportional to 30,989.39, 46,479.52 and 8,802.27

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Solution

The fourth proportional to 30,989.39, 46,479.52 and 8,802.27 is: 13,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989.39 : 46,479.52 = 8,802.27 : x
  2. Step 2: Convert to fraction form
    30,989.39/46,479.52 = 8,802.27/x
  3. Step 3: Cross multiply
    30,989.39x = 46,479.52 × 8,802.27
  4. Step 4: Simplify right side
    30,989.39x = 409,125,295.51
  5. Step 5: Solve for x
    x = 409,125,295.51/30,989.39
  6. Step 6: Final answer
    x = 13,202.11

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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.