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Finding the Fourth Proportional to 40,549.20, 60,823.80 and 14,256.60

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Solution

The fourth proportional to 40,549.20, 60,823.80 and 14,256.60 is: 21,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,549.20 : 60,823.80 = 14,256.60 : x
  2. Step 2: Convert to fraction form
    40,549.20/60,823.80 = 14,256.60/x
  3. Step 3: Cross multiply
    40,549.20x = 60,823.80 × 14,256.60
  4. Step 4: Simplify right side
    40,549.20x = 867,140,587.08
  5. Step 5: Solve for x
    x = 867,140,587.08/40,549.20
  6. Step 6: Final answer
    x = 21,384.90

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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.