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Finding the Fourth Proportional to 9,505.76, 14,246.76 and 4,574.08

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Solution

The fourth proportional to 9,505.76, 14,246.76 and 4,574.08 is: 6,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.76 : 14,246.76 = 4,574.08 : x
  2. Step 2: Convert to fraction form
    9,505.76/14,246.76 = 4,574.08/x
  3. Step 3: Cross multiply
    9,505.76x = 14,246.76 × 4,574.08
  4. Step 4: Simplify right side
    9,505.76x = 65,165,748.75
  5. Step 5: Solve for x
    x = 65,165,748.75/9,505.76
  6. Step 6: Final answer
    x = 6,855.40

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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.