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Finding the Fourth Proportional to 64,888.96, 97,333.53 and 18,141.79

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Solution

The fourth proportional to 64,888.96, 97,333.53 and 18,141.79 is: 27,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.96 : 97,333.53 = 18,141.79 : x
  2. Step 2: Convert to fraction form
    64,888.96/97,333.53 = 18,141.79/x
  3. Step 3: Cross multiply
    64,888.96x = 97,333.53 × 18,141.79
  4. Step 4: Simplify right side
    64,888.96x = 1,765,804,461.22
  5. Step 5: Solve for x
    x = 1,765,804,461.22/64,888.96
  6. Step 6: Final answer
    x = 27,212.71

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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.