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Finding the Fourth Proportional to 64,836.60, 96,573.03 and 61,803

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Solution

The fourth proportional to 64,836.60, 96,573.03 and 61,803 is: 92,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,836.60 : 96,573.03 = 61,803 : x
  2. Step 2: Convert to fraction form
    64,836.60/96,573.03 = 61,803/x
  3. Step 3: Cross multiply
    64,836.60x = 96,573.03 × 61,803
  4. Step 4: Simplify right side
    64,836.60x = 5,968,502,973.09
  5. Step 5: Solve for x
    x = 5,968,502,973.09/64,836.60
  6. Step 6: Final answer
    x = 92,054.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.