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Finding the Fourth Proportional to 64,027.68, 96,066.72 and 32,420.40

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Solution

The fourth proportional to 64,027.68, 96,066.72 and 32,420.40 is: 48,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,027.68 : 96,066.72 = 32,420.40 : x
  2. Step 2: Convert to fraction form
    64,027.68/96,066.72 = 32,420.40/x
  3. Step 3: Cross multiply
    64,027.68x = 96,066.72 × 32,420.40
  4. Step 4: Simplify right side
    64,027.68x = 3,114,521,489.09
  5. Step 5: Solve for x
    x = 3,114,521,489.09/64,027.68
  6. Step 6: Final answer
    x = 48,643.36

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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.