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Finding the Fourth Proportional to 19,341.40, 29,041.80 and 10,593.40

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Solution

The fourth proportional to 19,341.40, 29,041.80 and 10,593.40 is: 15,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.40 : 29,041.80 = 10,593.40 : x
  2. Step 2: Convert to fraction form
    19,341.40/29,041.80 = 10,593.40/x
  3. Step 3: Cross multiply
    19,341.40x = 29,041.80 × 10,593.40
  4. Step 4: Simplify right side
    19,341.40x = 307,651,404.12
  5. Step 5: Solve for x
    x = 307,651,404.12/19,341.40
  6. Step 6: Final answer
    x = 15,906.37

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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.