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Finding the Fourth Proportional to 9,972.77, 14,955.63 and 2,950.91

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Solution

The fourth proportional to 9,972.77, 14,955.63 and 2,950.91 is: 4,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.77 : 14,955.63 = 2,950.91 : x
  2. Step 2: Convert to fraction form
    9,972.77/14,955.63 = 2,950.91/x
  3. Step 3: Cross multiply
    9,972.77x = 14,955.63 × 2,950.91
  4. Step 4: Simplify right side
    9,972.77x = 44,132,718.12
  5. Step 5: Solve for x
    x = 44,132,718.12/9,972.77
  6. Step 6: Final answer
    x = 4,425.32

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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.