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Finding the Fourth Proportional to 19,665.96, 29,497.98 and 7,353

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Solution

The fourth proportional to 19,665.96, 29,497.98 and 7,353 is: 11,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665.96 : 29,497.98 = 7,353 : x
  2. Step 2: Convert to fraction form
    19,665.96/29,497.98 = 7,353/x
  3. Step 3: Cross multiply
    19,665.96x = 29,497.98 × 7,353
  4. Step 4: Simplify right side
    19,665.96x = 216,898,646.94
  5. Step 5: Solve for x
    x = 216,898,646.94/19,665.96
  6. Step 6: Final answer
    x = 11,029.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.