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Finding the Fourth Proportional to 56,191.68, 84,152.87 and 40,953.41

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Solution

The fourth proportional to 56,191.68, 84,152.87 and 40,953.41 is: 61,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,191.68 : 84,152.87 = 40,953.41 : x
  2. Step 2: Convert to fraction form
    56,191.68/84,152.87 = 40,953.41/x
  3. Step 3: Cross multiply
    56,191.68x = 84,152.87 × 40,953.41
  4. Step 4: Simplify right side
    56,191.68x = 3,446,346,987.79
  5. Step 5: Solve for x
    x = 3,446,346,987.79/56,191.68
  6. Step 6: Final answer
    x = 61,331.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.