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Finding the Fourth Proportional to 64,922.64, 97,368.60 and 29,840.40

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Solution

The fourth proportional to 64,922.64, 97,368.60 and 29,840.40 is: 44,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,922.64 : 97,368.60 = 29,840.40 : x
  2. Step 2: Convert to fraction form
    64,922.64/97,368.60 = 29,840.40/x
  3. Step 3: Cross multiply
    64,922.64x = 97,368.60 × 29,840.40
  4. Step 4: Simplify right side
    64,922.64x = 2,905,517,971.44
  5. Step 5: Solve for x
    x = 2,905,517,971.44/64,922.64
  6. Step 6: Final answer
    x = 44,753.54

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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.