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Finding the Fourth Proportional to 64,643.60, 96,888.60 and 27,203.60

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Solution

The fourth proportional to 64,643.60, 96,888.60 and 27,203.60 is: 40,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,643.60 : 96,888.60 = 27,203.60 : x
  2. Step 2: Convert to fraction form
    64,643.60/96,888.60 = 27,203.60/x
  3. Step 3: Cross multiply
    64,643.60x = 96,888.60 × 27,203.60
  4. Step 4: Simplify right side
    64,643.60x = 2,635,718,718.96
  5. Step 5: Solve for x
    x = 2,635,718,718.96/64,643.60
  6. Step 6: Final answer
    x = 40,773.08

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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.