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Finding the Fourth Proportional to 64,860.48, 97,260.48 and 33,687.36

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Solution

The fourth proportional to 64,860.48, 97,260.48 and 33,687.36 is: 50,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,860.48 : 97,260.48 = 33,687.36 : x
  2. Step 2: Convert to fraction form
    64,860.48/97,260.48 = 33,687.36/x
  3. Step 3: Cross multiply
    64,860.48x = 97,260.48 × 33,687.36
  4. Step 4: Simplify right side
    64,860.48x = 3,276,448,803.53
  5. Step 5: Solve for x
    x = 3,276,448,803.53/64,860.48
  6. Step 6: Final answer
    x = 50,515.33

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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.