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Finding the Fourth Proportional to 64,795.60, 97,220.25 and 31,044.52

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Solution

The fourth proportional to 64,795.60, 97,220.25 and 31,044.52 is: 46,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,795.60 : 97,220.25 = 31,044.52 : x
  2. Step 2: Convert to fraction form
    64,795.60/97,220.25 = 31,044.52/x
  3. Step 3: Cross multiply
    64,795.60x = 97,220.25 × 31,044.52
  4. Step 4: Simplify right side
    64,795.60x = 3,018,155,995.53
  5. Step 5: Solve for x
    x = 3,018,155,995.53/64,795.60
  6. Step 6: Final answer
    x = 46,579.64

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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.