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Finding the Fourth Proportional to 64,889.60, 97,334.40 and 64,452.20

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Solution

The fourth proportional to 64,889.60, 97,334.40 and 64,452.20 is: 96,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889.60 : 97,334.40 = 64,452.20 : x
  2. Step 2: Convert to fraction form
    64,889.60/97,334.40 = 64,452.20/x
  3. Step 3: Cross multiply
    64,889.60x = 97,334.40 × 64,452.20
  4. Step 4: Simplify right side
    64,889.60x = 6,273,416,215.68
  5. Step 5: Solve for x
    x = 6,273,416,215.68/64,889.60
  6. Step 6: Final answer
    x = 96,678.30

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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.