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Finding the Fourth Proportional to 64,645.52, 96,968.12 and 17,898.24

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Solution

The fourth proportional to 64,645.52, 96,968.12 and 17,898.24 is: 26,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645.52 : 96,968.12 = 17,898.24 : x
  2. Step 2: Convert to fraction form
    64,645.52/96,968.12 = 17,898.24/x
  3. Step 3: Cross multiply
    64,645.52x = 96,968.12 × 17,898.24
  4. Step 4: Simplify right side
    64,645.52x = 1,735,558,684.11
  5. Step 5: Solve for x
    x = 1,735,558,684.11/64,645.52
  6. Step 6: Final answer
    x = 26,847.32

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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.