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Finding the Fourth Proportional to 64,632.52, 96,945.96 and 20,258.26

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Solution

The fourth proportional to 64,632.52, 96,945.96 and 20,258.26 is: 30,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,632.52 : 96,945.96 = 20,258.26 : x
  2. Step 2: Convert to fraction form
    64,632.52/96,945.96 = 20,258.26/x
  3. Step 3: Cross multiply
    64,632.52x = 96,945.96 × 20,258.26
  4. Step 4: Simplify right side
    64,632.52x = 1,963,956,463.63
  5. Step 5: Solve for x
    x = 1,963,956,463.63/64,632.52
  6. Step 6: Final answer
    x = 30,386.51

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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.