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Finding the Fourth Proportional to 61,911.68, 85,443.42 and 35,058.92

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Solution

The fourth proportional to 61,911.68, 85,443.42 and 35,058.92 is: 48,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,911.68 : 85,443.42 = 35,058.92 : x
  2. Step 2: Convert to fraction form
    61,911.68/85,443.42 = 35,058.92/x
  3. Step 3: Cross multiply
    61,911.68x = 85,443.42 × 35,058.92
  4. Step 4: Simplify right side
    61,911.68x = 2,995,554,026.31
  5. Step 5: Solve for x
    x = 2,995,554,026.31/61,911.68
  6. Step 6: Final answer
    x = 48,384.31

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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.