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Finding the Fourth Proportional to 8,480.51, 11,703.03 and 4,703.68

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Solution

The fourth proportional to 8,480.51, 11,703.03 and 4,703.68 is: 6,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.51 : 11,703.03 = 4,703.68 : x
  2. Step 2: Convert to fraction form
    8,480.51/11,703.03 = 4,703.68/x
  3. Step 3: Cross multiply
    8,480.51x = 11,703.03 × 4,703.68
  4. Step 4: Simplify right side
    8,480.51x = 55,047,305.14
  5. Step 5: Solve for x
    x = 55,047,305.14/8,480.51
  6. Step 6: Final answer
    x = 6,491.04

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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.