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Finding the Fourth Proportional to 56,603.38, 78,113.02 and 35,395.06

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Solution

The fourth proportional to 56,603.38, 78,113.02 and 35,395.06 is: 48,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,603.38 : 78,113.02 = 35,395.06 : x
  2. Step 2: Convert to fraction form
    56,603.38/78,113.02 = 35,395.06/x
  3. Step 3: Cross multiply
    56,603.38x = 78,113.02 × 35,395.06
  4. Step 4: Simplify right side
    56,603.38x = 2,764,815,029.68
  5. Step 5: Solve for x
    x = 2,764,815,029.68/56,603.38
  6. Step 6: Final answer
    x = 48,845.41

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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.