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Finding the Fourth Proportional to 29,642.64, 44,465.04 and 20,260.32

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Solution

The fourth proportional to 29,642.64, 44,465.04 and 20,260.32 is: 30,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.64 : 44,465.04 = 20,260.32 : x
  2. Step 2: Convert to fraction form
    29,642.64/44,465.04 = 20,260.32/x
  3. Step 3: Cross multiply
    29,642.64x = 44,465.04 × 20,260.32
  4. Step 4: Simplify right side
    29,642.64x = 900,875,939.21
  5. Step 5: Solve for x
    x = 900,875,939.21/29,642.64
  6. Step 6: Final answer
    x = 30,391.22

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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.