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Finding the Fourth Proportional to 30,959.43, 46,445.60 and 14,084.43

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Solution

The fourth proportional to 30,959.43, 46,445.60 and 14,084.43 is: 21,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959.43 : 46,445.60 = 14,084.43 : x
  2. Step 2: Convert to fraction form
    30,959.43/46,445.60 = 14,084.43/x
  3. Step 3: Cross multiply
    30,959.43x = 46,445.60 × 14,084.43
  4. Step 4: Simplify right side
    30,959.43x = 654,159,802.01
  5. Step 5: Solve for x
    x = 654,159,802.01/30,959.43
  6. Step 6: Final answer
    x = 21,129.58

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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.