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Finding the Fourth Proportional to 75,057.80, 112,554.30 and 37,603.40

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Solution

The fourth proportional to 75,057.80, 112,554.30 and 37,603.40 is: 56,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,057.80 : 112,554.30 = 37,603.40 : x
  2. Step 2: Convert to fraction form
    75,057.80/112,554.30 = 37,603.40/x
  3. Step 3: Cross multiply
    75,057.80x = 112,554.30 × 37,603.40
  4. Step 4: Simplify right side
    75,057.80x = 4,232,424,364.62
  5. Step 5: Solve for x
    x = 4,232,424,364.62/75,057.80
  6. Step 6: Final answer
    x = 56,388.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.