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Finding the Fourth Proportional to 39,058.88, 58,598.24 and 11,356.88

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Solution

The fourth proportional to 39,058.88, 58,598.24 and 11,356.88 is: 17,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.88 : 58,598.24 = 11,356.88 : x
  2. Step 2: Convert to fraction form
    39,058.88/58,598.24 = 11,356.88/x
  3. Step 3: Cross multiply
    39,058.88x = 58,598.24 × 11,356.88
  4. Step 4: Simplify right side
    39,058.88x = 665,492,830.12
  5. Step 5: Solve for x
    x = 665,492,830.12/39,058.88
  6. Step 6: Final answer
    x = 17,038.20

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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.