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Finding the Fourth Proportional to 39,602.36, 59,398 and 10,018.40

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Solution

The fourth proportional to 39,602.36, 59,398 and 10,018.40 is: 15,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,602.36 : 59,398 = 10,018.40 : x
  2. Step 2: Convert to fraction form
    39,602.36/59,398 = 10,018.40/x
  3. Step 3: Cross multiply
    39,602.36x = 59,398 × 10,018.40
  4. Step 4: Simplify right side
    39,602.36x = 595,072,923.20
  5. Step 5: Solve for x
    x = 595,072,923.20/39,602.36
  6. Step 6: Final answer
    x = 15,026.20

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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.