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Finding the Fourth Proportional to 48,440.25, 66,824.87 and 34,300.89

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Solution

The fourth proportional to 48,440.25, 66,824.87 and 34,300.89 is: 47,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,440.25 : 66,824.87 = 34,300.89 : x
  2. Step 2: Convert to fraction form
    48,440.25/66,824.87 = 34,300.89/x
  3. Step 3: Cross multiply
    48,440.25x = 66,824.87 × 34,300.89
  4. Step 4: Simplify right side
    48,440.25x = 2,292,152,343.63
  5. Step 5: Solve for x
    x = 2,292,152,343.63/48,440.25
  6. Step 6: Final answer
    x = 47,319.17

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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.