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Finding the Fourth Proportional to 64,842.92, 97,308.12 and 25,395.12

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Solution

The fourth proportional to 64,842.92, 97,308.12 and 25,395.12 is: 38,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,842.92 : 97,308.12 = 25,395.12 : x
  2. Step 2: Convert to fraction form
    64,842.92/97,308.12 = 25,395.12/x
  3. Step 3: Cross multiply
    64,842.92x = 97,308.12 × 25,395.12
  4. Step 4: Simplify right side
    64,842.92x = 2,471,151,384.37
  5. Step 5: Solve for x
    x = 2,471,151,384.37/64,842.92
  6. Step 6: Final answer
    x = 38,109.81

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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.