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Finding the Fourth Proportional to 19,801.17, 29,699.01 and 5,009.19

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Solution

The fourth proportional to 19,801.17, 29,699.01 and 5,009.19 is: 7,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.17 : 29,699.01 = 5,009.19 : x
  2. Step 2: Convert to fraction form
    19,801.17/29,699.01 = 5,009.19/x
  3. Step 3: Cross multiply
    19,801.17x = 29,699.01 × 5,009.19
  4. Step 4: Simplify right side
    19,801.17x = 148,767,983.90
  5. Step 5: Solve for x
    x = 148,767,983.90/19,801.17
  6. Step 6: Final answer
    x = 7,513.09

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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.