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Finding the Fourth Proportional to 7,197.61, 9,932.02 and 4,010.36

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Solution

The fourth proportional to 7,197.61, 9,932.02 and 4,010.36 is: 5,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.61 : 9,932.02 = 4,010.36 : x
  2. Step 2: Convert to fraction form
    7,197.61/9,932.02 = 4,010.36/x
  3. Step 3: Cross multiply
    7,197.61x = 9,932.02 × 4,010.36
  4. Step 4: Simplify right side
    7,197.61x = 39,830,971.91
  5. Step 5: Solve for x
    x = 39,830,971.91/7,197.61
  6. Step 6: Final answer
    x = 5,533.92

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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.