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Finding the Fourth Proportional to 56,603.80, 78,117.58 and 33,943.65

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Solution

The fourth proportional to 56,603.80, 78,117.58 and 33,943.65 is: 46,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,603.80 : 78,117.58 = 33,943.65 : x
  2. Step 2: Convert to fraction form
    56,603.80/78,117.58 = 33,943.65/x
  3. Step 3: Cross multiply
    56,603.80x = 78,117.58 × 33,943.65
  4. Step 4: Simplify right side
    56,603.80x = 2,651,595,794.37
  5. Step 5: Solve for x
    x = 2,651,595,794.37/56,603.80
  6. Step 6: Final answer
    x = 46,844.84

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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.