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Finding the Fourth Proportional to 10,071.80, 15,107.07 and 3,051.80

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Solution

The fourth proportional to 10,071.80, 15,107.07 and 3,051.80 is: 4,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.80 : 15,107.07 = 3,051.80 : x
  2. Step 2: Convert to fraction form
    10,071.80/15,107.07 = 3,051.80/x
  3. Step 3: Cross multiply
    10,071.80x = 15,107.07 × 3,051.80
  4. Step 4: Simplify right side
    10,071.80x = 46,103,756.23
  5. Step 5: Solve for x
    x = 46,103,756.23/10,071.80
  6. Step 6: Final answer
    x = 4,577.51

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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.