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Finding the Fourth Proportional to 33,307.64, 49,964.80 and 9,615.77

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Solution

The fourth proportional to 33,307.64, 49,964.80 and 9,615.77 is: 14,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.64 : 49,964.80 = 9,615.77 : x
  2. Step 2: Convert to fraction form
    33,307.64/49,964.80 = 9,615.77/x
  3. Step 3: Cross multiply
    33,307.64x = 49,964.80 × 9,615.77
  4. Step 4: Simplify right side
    33,307.64x = 480,450,024.90
  5. Step 5: Solve for x
    x = 480,450,024.90/33,307.64
  6. Step 6: Final answer
    x = 14,424.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.