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Finding the Fourth Proportional to 19,392.93, 29,090.03 and 5,354.01

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Solution

The fourth proportional to 19,392.93, 29,090.03 and 5,354.01 is: 8,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.93 : 29,090.03 = 5,354.01 : x
  2. Step 2: Convert to fraction form
    19,392.93/29,090.03 = 5,354.01/x
  3. Step 3: Cross multiply
    19,392.93x = 29,090.03 × 5,354.01
  4. Step 4: Simplify right side
    19,392.93x = 155,748,284.75
  5. Step 5: Solve for x
    x = 155,748,284.75/19,392.93
  6. Step 6: Final answer
    x = 8,031.19

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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.