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Finding the Fourth Proportional to 29,907.60, 44,859.78 and 9,131.10

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Solution

The fourth proportional to 29,907.60, 44,859.78 and 9,131.10 is: 13,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,907.60 : 44,859.78 = 9,131.10 : x
  2. Step 2: Convert to fraction form
    29,907.60/44,859.78 = 9,131.10/x
  3. Step 3: Cross multiply
    29,907.60x = 44,859.78 × 9,131.10
  4. Step 4: Simplify right side
    29,907.60x = 409,619,137.16
  5. Step 5: Solve for x
    x = 409,619,137.16/29,907.60
  6. Step 6: Final answer
    x = 13,696.16

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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.