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Finding the Fourth Proportional to 29,392.05, 40,533.03 and 19,328.97

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Solution

The fourth proportional to 29,392.05, 40,533.03 and 19,328.97 is: 26,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,392.05 : 40,533.03 = 19,328.97 : x
  2. Step 2: Convert to fraction form
    29,392.05/40,533.03 = 19,328.97/x
  3. Step 3: Cross multiply
    29,392.05x = 40,533.03 × 19,328.97
  4. Step 4: Simplify right side
    29,392.05x = 783,461,720.88
  5. Step 5: Solve for x
    x = 783,461,720.88/29,392.05
  6. Step 6: Final answer
    x = 26,655.57

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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.