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Finding the Fourth Proportional to 56,482.88, 77,949.62 and 34,134.08

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Solution

The fourth proportional to 56,482.88, 77,949.62 and 34,134.08 is: 47,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.88 : 77,949.62 = 34,134.08 : x
  2. Step 2: Convert to fraction form
    56,482.88/77,949.62 = 34,134.08/x
  3. Step 3: Cross multiply
    56,482.88x = 77,949.62 × 34,134.08
  4. Step 4: Simplify right side
    56,482.88x = 2,660,738,565.05
  5. Step 5: Solve for x
    x = 2,660,738,565.05/56,482.88
  6. Step 6: Final answer
    x = 47,106.99

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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.