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Finding the Fourth Proportional to 57,533.40, 79,387.83 and 33,655.56

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Solution

The fourth proportional to 57,533.40, 79,387.83 and 33,655.56 is: 46,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,533.40 : 79,387.83 = 33,655.56 : x
  2. Step 2: Convert to fraction form
    57,533.40/79,387.83 = 33,655.56/x
  3. Step 3: Cross multiply
    57,533.40x = 79,387.83 × 33,655.56
  4. Step 4: Simplify right side
    57,533.40x = 2,671,841,875.83
  5. Step 5: Solve for x
    x = 2,671,841,875.83/57,533.40
  6. Step 6: Final answer
    x = 46,439.84

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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.