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Finding the Fourth Proportional to 29,776.48, 41,119.20 and 19,184.48

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Solution

The fourth proportional to 29,776.48, 41,119.20 and 19,184.48 is: 26,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,776.48 : 41,119.20 = 19,184.48 : x
  2. Step 2: Convert to fraction form
    29,776.48/41,119.20 = 19,184.48/x
  3. Step 3: Cross multiply
    29,776.48x = 41,119.20 × 19,184.48
  4. Step 4: Simplify right side
    29,776.48x = 788,850,470.02
  5. Step 5: Solve for x
    x = 788,850,470.02/29,776.48
  6. Step 6: Final answer
    x = 26,492.40

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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.