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Finding the Fourth Proportional to 13,854.48, 19,119.24 and 7,566.48

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Solution

The fourth proportional to 13,854.48, 19,119.24 and 7,566.48 is: 10,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.48 : 19,119.24 = 7,566.48 : x
  2. Step 2: Convert to fraction form
    13,854.48/19,119.24 = 7,566.48/x
  3. Step 3: Cross multiply
    13,854.48x = 19,119.24 × 7,566.48
  4. Step 4: Simplify right side
    13,854.48x = 144,665,347.08
  5. Step 5: Solve for x
    x = 144,665,347.08/13,854.48
  6. Step 6: Final answer
    x = 10,441.77

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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.