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Finding the Fourth Proportional to 48,263.88, 66,581.64 and 30,368.76

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Solution

The fourth proportional to 48,263.88, 66,581.64 and 30,368.76 is: 41,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,263.88 : 66,581.64 = 30,368.76 : x
  2. Step 2: Convert to fraction form
    48,263.88/66,581.64 = 30,368.76/x
  3. Step 3: Cross multiply
    48,263.88x = 66,581.64 × 30,368.76
  4. Step 4: Simplify right side
    48,263.88x = 2,022,001,845.57
  5. Step 5: Solve for x
    x = 2,022,001,845.57/48,263.88
  6. Step 6: Final answer
    x = 41,894.72

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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.