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Finding the Fourth Proportional to 58,663.68, 80,964 and 33,512.64

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Solution

The fourth proportional to 58,663.68, 80,964 and 33,512.64 is: 46,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,663.68 : 80,964 = 33,512.64 : x
  2. Step 2: Convert to fraction form
    58,663.68/80,964 = 33,512.64/x
  3. Step 3: Cross multiply
    58,663.68x = 80,964 × 33,512.64
  4. Step 4: Simplify right side
    58,663.68x = 2,713,317,384.96
  5. Step 5: Solve for x
    x = 2,713,317,384.96/58,663.68
  6. Step 6: Final answer
    x = 46,252.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.