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Finding the Fourth Proportional to 77,590.75, 107,075.25 and 44,056.75

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Solution

The fourth proportional to 77,590.75, 107,075.25 and 44,056.75 is: 60,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,590.75 : 107,075.25 = 44,056.75 : x
  2. Step 2: Convert to fraction form
    77,590.75/107,075.25 = 44,056.75/x
  3. Step 3: Cross multiply
    77,590.75x = 107,075.25 × 44,056.75
  4. Step 4: Simplify right side
    77,590.75x = 4,717,387,520.44
  5. Step 5: Solve for x
    x = 4,717,387,520.44/77,590.75
  6. Step 6: Final answer
    x = 60,798.32

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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.