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Finding the Fourth Proportional to 9,009.64, 13,512.58 and 2,434.28

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Solution

The fourth proportional to 9,009.64, 13,512.58 and 2,434.28 is: 3,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.64 : 13,512.58 = 2,434.28 : x
  2. Step 2: Convert to fraction form
    9,009.64/13,512.58 = 2,434.28/x
  3. Step 3: Cross multiply
    9,009.64x = 13,512.58 × 2,434.28
  4. Step 4: Simplify right side
    9,009.64x = 32,893,391.07
  5. Step 5: Solve for x
    x = 32,893,391.07/9,009.64
  6. Step 6: Final answer
    x = 3,650.91

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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.