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Finding the Fourth Proportional to 75,297.70, 103,955.85 and 47,041.66

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Solution

The fourth proportional to 75,297.70, 103,955.85 and 47,041.66 is: 64,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,297.70 : 103,955.85 = 47,041.66 : x
  2. Step 2: Convert to fraction form
    75,297.70/103,955.85 = 47,041.66/x
  3. Step 3: Cross multiply
    75,297.70x = 103,955.85 × 47,041.66
  4. Step 4: Simplify right side
    75,297.70x = 4,890,255,750.71
  5. Step 5: Solve for x
    x = 4,890,255,750.71/75,297.70
  6. Step 6: Final answer
    x = 64,945.62

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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.