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Finding the Fourth Proportional to 56,012.84, 77,262.41 and 33,334.90

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Solution

The fourth proportional to 56,012.84, 77,262.41 and 33,334.90 is: 45,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012.84 : 77,262.41 = 33,334.90 : x
  2. Step 2: Convert to fraction form
    56,012.84/77,262.41 = 33,334.90/x
  3. Step 3: Cross multiply
    56,012.84x = 77,262.41 × 33,334.90
  4. Step 4: Simplify right side
    56,012.84x = 2,575,534,631.08
  5. Step 5: Solve for x
    x = 2,575,534,631.08/56,012.84
  6. Step 6: Final answer
    x = 45,981.15

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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.