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Finding the Fourth Proportional to 56,377.48, 77,809.20 and 32,499.48

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Solution

The fourth proportional to 56,377.48, 77,809.20 and 32,499.48 is: 44,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,377.48 : 77,809.20 = 32,499.48 : x
  2. Step 2: Convert to fraction form
    56,377.48/77,809.20 = 32,499.48/x
  3. Step 3: Cross multiply
    56,377.48x = 77,809.20 × 32,499.48
  4. Step 4: Simplify right side
    56,377.48x = 2,528,758,539.22
  5. Step 5: Solve for x
    x = 2,528,758,539.22/56,377.48
  6. Step 6: Final answer
    x = 44,854.05

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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.