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Finding the Fourth Proportional to 58,712.64, 81,020.88 and 33,563.76

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Solution

The fourth proportional to 58,712.64, 81,020.88 and 33,563.76 is: 46,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,712.64 : 81,020.88 = 33,563.76 : x
  2. Step 2: Convert to fraction form
    58,712.64/81,020.88 = 33,563.76/x
  3. Step 3: Cross multiply
    58,712.64x = 81,020.88 × 33,563.76
  4. Step 4: Simplify right side
    58,712.64x = 2,719,365,371.31
  5. Step 5: Solve for x
    x = 2,719,365,371.31/58,712.64
  6. Step 6: Final answer
    x = 46,316.52

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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.