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Finding the Fourth Proportional to 64,664.64, 97,007.90 and 29,607.03

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Solution

The fourth proportional to 64,664.64, 97,007.90 and 29,607.03 is: 44,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,664.64 : 97,007.90 = 29,607.03 : x
  2. Step 2: Convert to fraction form
    64,664.64/97,007.90 = 29,607.03/x
  3. Step 3: Cross multiply
    64,664.64x = 97,007.90 × 29,607.03
  4. Step 4: Simplify right side
    64,664.64x = 2,872,115,657.50
  5. Step 5: Solve for x
    x = 2,872,115,657.50/64,664.64
  6. Step 6: Final answer
    x = 44,415.55

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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.