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Finding the Fourth Proportional to 70,607, 97,446.30 and 40,799

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Solution

The fourth proportional to 70,607, 97,446.30 and 40,799 is: 56,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,607 : 97,446.30 = 40,799 : x
  2. Step 2: Convert to fraction form
    70,607/97,446.30 = 40,799/x
  3. Step 3: Cross multiply
    70,607x = 97,446.30 × 40,799
  4. Step 4: Simplify right side
    70,607x = 3,975,711,593.70
  5. Step 5: Solve for x
    x = 3,975,711,593.70/70,607
  6. Step 6: Final answer
    x = 56,307.61

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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.