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Finding the Fourth Proportional to 47,302.80, 70,808.40 and 27,522.60

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Solution

The fourth proportional to 47,302.80, 70,808.40 and 27,522.60 is: 41,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,302.80 : 70,808.40 = 27,522.60 : x
  2. Step 2: Convert to fraction form
    47,302.80/70,808.40 = 27,522.60/x
  3. Step 3: Cross multiply
    47,302.80x = 70,808.40 × 27,522.60
  4. Step 4: Simplify right side
    47,302.80x = 1,948,831,269.84
  5. Step 5: Solve for x
    x = 1,948,831,269.84/47,302.80
  6. Step 6: Final answer
    x = 41,199.07

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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.