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Finding the Fourth Proportional to 64,397.48, 96,528.05 and 21,662.23

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Solution

The fourth proportional to 64,397.48, 96,528.05 and 21,662.23 is: 32,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,397.48 : 96,528.05 = 21,662.23 : x
  2. Step 2: Convert to fraction form
    64,397.48/96,528.05 = 21,662.23/x
  3. Step 3: Cross multiply
    64,397.48x = 96,528.05 × 21,662.23
  4. Step 4: Simplify right side
    64,397.48x = 2,091,012,820.55
  5. Step 5: Solve for x
    x = 2,091,012,820.55/64,397.48
  6. Step 6: Final answer
    x = 32,470.41

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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.