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Finding the Fourth Proportional to 9,480.63, 13,080.65 and 6,123.59

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Solution

The fourth proportional to 9,480.63, 13,080.65 and 6,123.59 is: 8,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.63 : 13,080.65 = 6,123.59 : x
  2. Step 2: Convert to fraction form
    9,480.63/13,080.65 = 6,123.59/x
  3. Step 3: Cross multiply
    9,480.63x = 13,080.65 × 6,123.59
  4. Step 4: Simplify right side
    9,480.63x = 80,100,441.51
  5. Step 5: Solve for x
    x = 80,100,441.51/9,480.63
  6. Step 6: Final answer
    x = 8,448.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.