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Finding the Fourth Proportional to 60,466.56, 90,549 and 38,212.80

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Solution

The fourth proportional to 60,466.56, 90,549 and 38,212.80 is: 57,223.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,466.56 : 90,549 = 38,212.80 : x
  2. Step 2: Convert to fraction form
    60,466.56/90,549 = 38,212.80/x
  3. Step 3: Cross multiply
    60,466.56x = 90,549 × 38,212.80
  4. Step 4: Simplify right side
    60,466.56x = 3,460,130,827.20
  5. Step 5: Solve for x
    x = 3,460,130,827.20/60,466.56
  6. Step 6: Final answer
    x = 57,223.87

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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.