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Finding the Fourth Proportional to 56,285.80, 77,740.50 and 44,994.40

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Solution

The fourth proportional to 56,285.80, 77,740.50 and 44,994.40 is: 62,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,285.80 : 77,740.50 = 44,994.40 : x
  2. Step 2: Convert to fraction form
    56,285.80/77,740.50 = 44,994.40/x
  3. Step 3: Cross multiply
    56,285.80x = 77,740.50 × 44,994.40
  4. Step 4: Simplify right side
    56,285.80x = 3,497,887,153.20
  5. Step 5: Solve for x
    x = 3,497,887,153.20/56,285.80
  6. Step 6: Final answer
    x = 62,145.11

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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.