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Finding the Fourth Proportional to 9,752.59, 13,455.07 and 8,809.75

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Solution

The fourth proportional to 9,752.59, 13,455.07 and 8,809.75 is: 12,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,752.59 : 13,455.07 = 8,809.75 : x
  2. Step 2: Convert to fraction form
    9,752.59/13,455.07 = 8,809.75/x
  3. Step 3: Cross multiply
    9,752.59x = 13,455.07 × 8,809.75
  4. Step 4: Simplify right side
    9,752.59x = 118,535,802.93
  5. Step 5: Solve for x
    x = 118,535,802.93/9,752.59
  6. Step 6: Final answer
    x = 12,154.29

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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.