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Finding the Fourth Proportional to 5,007.15, 7,567.56 and 4,921.02

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Solution

The fourth proportional to 5,007.15, 7,567.56 and 4,921.02 is: 7,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.15 : 7,567.56 = 4,921.02 : x
  2. Step 2: Convert to fraction form
    5,007.15/7,567.56 = 4,921.02/x
  3. Step 3: Cross multiply
    5,007.15x = 7,567.56 × 4,921.02
  4. Step 4: Simplify right side
    5,007.15x = 37,240,114.11
  5. Step 5: Solve for x
    x = 37,240,114.11/5,007.15
  6. Step 6: Final answer
    x = 7,437.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.