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Finding the Fourth Proportional to 64,803.54, 97,064.66 and 31,453.52

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Solution

The fourth proportional to 64,803.54, 97,064.66 and 31,453.52 is: 47,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,803.54 : 97,064.66 = 31,453.52 : x
  2. Step 2: Convert to fraction form
    64,803.54/97,064.66 = 31,453.52/x
  3. Step 3: Cross multiply
    64,803.54x = 97,064.66 × 31,453.52
  4. Step 4: Simplify right side
    64,803.54x = 3,053,024,582.01
  5. Step 5: Solve for x
    x = 3,053,024,582.01/64,803.54
  6. Step 6: Final answer
    x = 47,112.00

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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.