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Finding the Fourth Proportional to 7,017.51, 9,684.03 and 3,873.63

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Solution

The fourth proportional to 7,017.51, 9,684.03 and 3,873.63 is: 5,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.51 : 9,684.03 = 3,873.63 : x
  2. Step 2: Convert to fraction form
    7,017.51/9,684.03 = 3,873.63/x
  3. Step 3: Cross multiply
    7,017.51x = 9,684.03 × 3,873.63
  4. Step 4: Simplify right side
    7,017.51x = 37,512,349.13
  5. Step 5: Solve for x
    x = 37,512,349.13/7,017.51
  6. Step 6: Final answer
    x = 5,345.54

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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.