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Finding the Fourth Proportional to 56,378.43, 77,797.67 and 32,503.68

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Solution

The fourth proportional to 56,378.43, 77,797.67 and 32,503.68 is: 44,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.43 : 77,797.67 = 32,503.68 : x
  2. Step 2: Convert to fraction form
    56,378.43/77,797.67 = 32,503.68/x
  3. Step 3: Cross multiply
    56,378.43x = 77,797.67 × 32,503.68
  4. Step 4: Simplify right side
    56,378.43x = 2,528,710,407.91
  5. Step 5: Solve for x
    x = 2,528,710,407.91/56,378.43
  6. Step 6: Final answer
    x = 44,852.44

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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.