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Finding the Fourth Proportional to 9,277.88, 12,803.54 and 5,743.17

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Solution

The fourth proportional to 9,277.88, 12,803.54 and 5,743.17 is: 7,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.88 : 12,803.54 = 5,743.17 : x
  2. Step 2: Convert to fraction form
    9,277.88/12,803.54 = 5,743.17/x
  3. Step 3: Cross multiply
    9,277.88x = 12,803.54 × 5,743.17
  4. Step 4: Simplify right side
    9,277.88x = 73,532,878.11
  5. Step 5: Solve for x
    x = 73,532,878.11/9,277.88
  6. Step 6: Final answer
    x = 7,925.62

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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.