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Finding the Fourth Proportional to 56,332, 77,716.69 and 37,220.86

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Solution

The fourth proportional to 56,332, 77,716.69 and 37,220.86 is: 51,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,332 : 77,716.69 = 37,220.86 : x
  2. Step 2: Convert to fraction form
    56,332/77,716.69 = 37,220.86/x
  3. Step 3: Cross multiply
    56,332x = 77,716.69 × 37,220.86
  4. Step 4: Simplify right side
    56,332x = 2,892,682,038.15
  5. Step 5: Solve for x
    x = 2,892,682,038.15/56,332
  6. Step 6: Final answer
    x = 51,350.60

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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.