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Finding the Fourth Proportional to 56,409.48, 77,820.03 and 36,262.62

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Solution

The fourth proportional to 56,409.48, 77,820.03 and 36,262.62 is: 50,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,409.48 : 77,820.03 = 36,262.62 : x
  2. Step 2: Convert to fraction form
    56,409.48/77,820.03 = 36,262.62/x
  3. Step 3: Cross multiply
    56,409.48x = 77,820.03 × 36,262.62
  4. Step 4: Simplify right side
    56,409.48x = 2,821,958,176.28
  5. Step 5: Solve for x
    x = 2,821,958,176.28/56,409.48
  6. Step 6: Final answer
    x = 50,026.31

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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.