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Finding the Fourth Proportional to 64,953.60, 97,410.15 and 25,522.80

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Solution

The fourth proportional to 64,953.60, 97,410.15 and 25,522.80 is: 38,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,953.60 : 97,410.15 = 25,522.80 : x
  2. Step 2: Convert to fraction form
    64,953.60/97,410.15 = 25,522.80/x
  3. Step 3: Cross multiply
    64,953.60x = 97,410.15 × 25,522.80
  4. Step 4: Simplify right side
    64,953.60x = 2,486,179,776.42
  5. Step 5: Solve for x
    x = 2,486,179,776.42/64,953.60
  6. Step 6: Final answer
    x = 38,276.24

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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.