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Finding the Fourth Proportional to 64,839.60, 97,230.24 and 25,376.40

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Solution

The fourth proportional to 64,839.60, 97,230.24 and 25,376.40 is: 38,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,839.60 : 97,230.24 = 25,376.40 : x
  2. Step 2: Convert to fraction form
    64,839.60/97,230.24 = 25,376.40/x
  3. Step 3: Cross multiply
    64,839.60x = 97,230.24 × 25,376.40
  4. Step 4: Simplify right side
    64,839.60x = 2,467,353,462.34
  5. Step 5: Solve for x
    x = 2,467,353,462.34/64,839.60
  6. Step 6: Final answer
    x = 38,053.19

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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.