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Finding the Fourth Proportional to 30,024.56, 45,026.04 and 10,298

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Solution

The fourth proportional to 30,024.56, 45,026.04 and 10,298 is: 15,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,024.56 : 45,026.04 = 10,298 : x
  2. Step 2: Convert to fraction form
    30,024.56/45,026.04 = 10,298/x
  3. Step 3: Cross multiply
    30,024.56x = 45,026.04 × 10,298
  4. Step 4: Simplify right side
    30,024.56x = 463,678,159.92
  5. Step 5: Solve for x
    x = 463,678,159.92/30,024.56
  6. Step 6: Final answer
    x = 15,443.30

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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.