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Finding the Fourth Proportional to 67,058.70, 100,586.22 and 31,030.30

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Solution

The fourth proportional to 67,058.70, 100,586.22 and 31,030.30 is: 46,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,058.70 : 100,586.22 = 31,030.30 : x
  2. Step 2: Convert to fraction form
    67,058.70/100,586.22 = 31,030.30/x
  3. Step 3: Cross multiply
    67,058.70x = 100,586.22 × 31,030.30
  4. Step 4: Simplify right side
    67,058.70x = 3,121,220,582.47
  5. Step 5: Solve for x
    x = 3,121,220,582.47/67,058.70
  6. Step 6: Final answer
    x = 46,544.60

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1.5x scale

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.