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Finding the Fourth Proportional to 56,524.96, 77,988.45 and 36,393.49

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Solution

The fourth proportional to 56,524.96, 77,988.45 and 36,393.49 is: 50,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,524.96 : 77,988.45 = 36,393.49 : x
  2. Step 2: Convert to fraction form
    56,524.96/77,988.45 = 36,393.49/x
  3. Step 3: Cross multiply
    56,524.96x = 77,988.45 × 36,393.49
  4. Step 4: Simplify right side
    56,524.96x = 2,838,271,875.19
  5. Step 5: Solve for x
    x = 2,838,271,875.19/56,524.96
  6. Step 6: Final answer
    x = 50,212.72

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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.