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Finding the Fourth Proportional to 64,058.63, 88,401.56 and 35,379

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Solution

The fourth proportional to 64,058.63, 88,401.56 and 35,379 is: 48,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,058.63 : 88,401.56 = 35,379 : x
  2. Step 2: Convert to fraction form
    64,058.63/88,401.56 = 35,379/x
  3. Step 3: Cross multiply
    64,058.63x = 88,401.56 × 35,379
  4. Step 4: Simplify right side
    64,058.63x = 3,127,558,791.24
  5. Step 5: Solve for x
    x = 3,127,558,791.24/64,058.63
  6. Step 6: Final answer
    x = 48,823.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.