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Finding the Fourth Proportional to 57,603.80, 79,466.08 and 33,715.68

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Solution

The fourth proportional to 57,603.80, 79,466.08 and 33,715.68 is: 46,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,603.80 : 79,466.08 = 33,715.68 : x
  2. Step 2: Convert to fraction form
    57,603.80/79,466.08 = 33,715.68/x
  3. Step 3: Cross multiply
    57,603.80x = 79,466.08 × 33,715.68
  4. Step 4: Simplify right side
    57,603.80x = 2,679,252,924.13
  5. Step 5: Solve for x
    x = 2,679,252,924.13/57,603.80
  6. Step 6: Final answer
    x = 46,511.74

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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.