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Finding the Fourth Proportional to 35,368.95, 53,058.70 and 11,679

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Solution

The fourth proportional to 35,368.95, 53,058.70 and 11,679 is: 17,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,368.95 : 53,058.70 = 11,679 : x
  2. Step 2: Convert to fraction form
    35,368.95/53,058.70 = 11,679/x
  3. Step 3: Cross multiply
    35,368.95x = 53,058.70 × 11,679
  4. Step 4: Simplify right side
    35,368.95x = 619,672,557.30
  5. Step 5: Solve for x
    x = 619,672,557.30/35,368.95
  6. Step 6: Final answer
    x = 17,520.24

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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.