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Finding the Fourth Proportional to 19,552.40, 29,328.60 and 9,184.40

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Solution

The fourth proportional to 19,552.40, 29,328.60 and 9,184.40 is: 13,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.40 : 29,328.60 = 9,184.40 : x
  2. Step 2: Convert to fraction form
    19,552.40/29,328.60 = 9,184.40/x
  3. Step 3: Cross multiply
    19,552.40x = 29,328.60 × 9,184.40
  4. Step 4: Simplify right side
    19,552.40x = 269,365,593.84
  5. Step 5: Solve for x
    x = 269,365,593.84/19,552.40
  6. Step 6: Final answer
    x = 13,776.60

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1.5x scale

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.