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Finding the Fourth Proportional to 9,482.40, 14,223.60 and 8,461.80

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Solution

The fourth proportional to 9,482.40, 14,223.60 and 8,461.80 is: 12,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,482.40 : 14,223.60 = 8,461.80 : x
  2. Step 2: Convert to fraction form
    9,482.40/14,223.60 = 8,461.80/x
  3. Step 3: Cross multiply
    9,482.40x = 14,223.60 × 8,461.80
  4. Step 4: Simplify right side
    9,482.40x = 120,357,258.48
  5. Step 5: Solve for x
    x = 120,357,258.48/9,482.40
  6. Step 6: Final answer
    x = 12,692.70

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Similar ratio
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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.