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Finding the Fourth Proportional to 30,851.62, 46,279.01 and 9,790.07

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Solution

The fourth proportional to 30,851.62, 46,279.01 and 9,790.07 is: 14,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.62 : 46,279.01 = 9,790.07 : x
  2. Step 2: Convert to fraction form
    30,851.62/46,279.01 = 9,790.07/x
  3. Step 3: Cross multiply
    30,851.62x = 46,279.01 × 9,790.07
  4. Step 4: Simplify right side
    30,851.62x = 453,074,540.51
  5. Step 5: Solve for x
    x = 453,074,540.51/30,851.62
  6. Step 6: Final answer
    x = 14,685.60

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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.