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Finding the Fourth Proportional to 56,432.99, 77,879.98 and 33,767.64

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Solution

The fourth proportional to 56,432.99, 77,879.98 and 33,767.64 is: 46,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,432.99 : 77,879.98 = 33,767.64 : x
  2. Step 2: Convert to fraction form
    56,432.99/77,879.98 = 33,767.64/x
  3. Step 3: Cross multiply
    56,432.99x = 77,879.98 × 33,767.64
  4. Step 4: Simplify right side
    56,432.99x = 2,629,822,569.61
  5. Step 5: Solve for x
    x = 2,629,822,569.61/56,432.99
  6. Step 6: Final answer
    x = 46,600.81

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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.