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Finding the Fourth Proportional to 65,343.78, 97,887.24 and 43,089.30

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Solution

The fourth proportional to 65,343.78, 97,887.24 and 43,089.30 is: 64,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,343.78 : 97,887.24 = 43,089.30 : x
  2. Step 2: Convert to fraction form
    65,343.78/97,887.24 = 43,089.30/x
  3. Step 3: Cross multiply
    65,343.78x = 97,887.24 × 43,089.30
  4. Step 4: Simplify right side
    65,343.78x = 4,217,892,650.53
  5. Step 5: Solve for x
    x = 4,217,892,650.53/65,343.78
  6. Step 6: Final answer
    x = 64,549.26

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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.