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Finding the Fourth Proportional to 61,401.85, 84,733.63 and 34,544.39

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Solution

The fourth proportional to 61,401.85, 84,733.63 and 34,544.39 is: 47,670.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,401.85 : 84,733.63 = 34,544.39 : x
  2. Step 2: Convert to fraction form
    61,401.85/84,733.63 = 34,544.39/x
  3. Step 3: Cross multiply
    61,401.85x = 84,733.63 × 34,544.39
  4. Step 4: Simplify right side
    61,401.85x = 2,927,071,050.81
  5. Step 5: Solve for x
    x = 2,927,071,050.81/61,401.85
  6. Step 6: Final answer
    x = 47,670.73

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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.