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Finding the Fourth Proportional to 9,453.63, 13,045.88 and 5,261.88

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Solution

The fourth proportional to 9,453.63, 13,045.88 and 5,261.88 is: 7,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.63 : 13,045.88 = 5,261.88 : x
  2. Step 2: Convert to fraction form
    9,453.63/13,045.88 = 5,261.88/x
  3. Step 3: Cross multiply
    9,453.63x = 13,045.88 × 5,261.88
  4. Step 4: Simplify right side
    9,453.63x = 68,645,868.21
  5. Step 5: Solve for x
    x = 68,645,868.21/9,453.63
  6. Step 6: Final answer
    x = 7,261.32

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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.