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Finding the Fourth Proportional to 7,201.71, 9,935.64 and 4,368.06

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Solution

The fourth proportional to 7,201.71, 9,935.64 and 4,368.06 is: 6,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.71 : 9,935.64 = 4,368.06 : x
  2. Step 2: Convert to fraction form
    7,201.71/9,935.64 = 4,368.06/x
  3. Step 3: Cross multiply
    7,201.71x = 9,935.64 × 4,368.06
  4. Step 4: Simplify right side
    7,201.71x = 43,399,471.66
  5. Step 5: Solve for x
    x = 43,399,471.66/7,201.71
  6. Step 6: Final answer
    x = 6,026.27

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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.