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Finding the Fourth Proportional to 55,594.92, 76,719.24 and 30,444.60

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Solution

The fourth proportional to 55,594.92, 76,719.24 and 30,444.60 is: 42,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,594.92 : 76,719.24 = 30,444.60 : x
  2. Step 2: Convert to fraction form
    55,594.92/76,719.24 = 30,444.60/x
  3. Step 3: Cross multiply
    55,594.92x = 76,719.24 × 30,444.60
  4. Step 4: Simplify right side
    55,594.92x = 2,335,686,574.10
  5. Step 5: Solve for x
    x = 2,335,686,574.10/55,594.92
  6. Step 6: Final answer
    x = 42,012.59

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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.