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Finding the Fourth Proportional to 9,880.53, 14,733.65 and 9,791.64

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Solution

The fourth proportional to 9,880.53, 14,733.65 and 9,791.64 is: 14,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.53 : 14,733.65 = 9,791.64 : x
  2. Step 2: Convert to fraction form
    9,880.53/14,733.65 = 9,791.64/x
  3. Step 3: Cross multiply
    9,880.53x = 14,733.65 × 9,791.64
  4. Step 4: Simplify right side
    9,880.53x = 144,266,547.73
  5. Step 5: Solve for x
    x = 144,266,547.73/9,880.53
  6. Step 6: Final answer
    x = 14,601.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.