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Finding the Fourth Proportional to 64,866.53, 97,312.93 and 27,426.54

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Solution

The fourth proportional to 64,866.53, 97,312.93 and 27,426.54 is: 41,145.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,866.53 : 97,312.93 = 27,426.54 : x
  2. Step 2: Convert to fraction form
    64,866.53/97,312.93 = 27,426.54/x
  3. Step 3: Cross multiply
    64,866.53x = 97,312.93 × 27,426.54
  4. Step 4: Simplify right side
    64,866.53x = 2,668,957,070.07
  5. Step 5: Solve for x
    x = 2,668,957,070.07/64,866.53
  6. Step 6: Final answer
    x = 41,145.37

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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.