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Finding the Fourth Proportional to 47,165.60, 70,712.40 and 23,808.80

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Solution

The fourth proportional to 47,165.60, 70,712.40 and 23,808.80 is: 35,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,165.60 : 70,712.40 = 23,808.80 : x
  2. Step 2: Convert to fraction form
    47,165.60/70,712.40 = 23,808.80/x
  3. Step 3: Cross multiply
    47,165.60x = 70,712.40 × 23,808.80
  4. Step 4: Simplify right side
    47,165.60x = 1,683,577,389.12
  5. Step 5: Solve for x
    x = 1,683,577,389.12/47,165.60
  6. Step 6: Final answer
    x = 35,695.03

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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.