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Finding the Fourth Proportional to 56,210.90, 84,330.93 and 29,894

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Solution

The fourth proportional to 56,210.90, 84,330.93 and 29,894 is: 44,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,210.90 : 84,330.93 = 29,894 : x
  2. Step 2: Convert to fraction form
    56,210.90/84,330.93 = 29,894/x
  3. Step 3: Cross multiply
    56,210.90x = 84,330.93 × 29,894
  4. Step 4: Simplify right side
    56,210.90x = 2,520,988,821.42
  5. Step 5: Solve for x
    x = 2,520,988,821.42/56,210.90
  6. Step 6: Final answer
    x = 44,848.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.