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Finding the Fourth Proportional to 29,398.39, 40,572.77 and 17,303.60

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Solution

The fourth proportional to 29,398.39, 40,572.77 and 17,303.60 is: 23,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,398.39 : 40,572.77 = 17,303.60 : x
  2. Step 2: Convert to fraction form
    29,398.39/40,572.77 = 17,303.60/x
  3. Step 3: Cross multiply
    29,398.39x = 40,572.77 × 17,303.60
  4. Step 4: Simplify right side
    29,398.39x = 702,054,997.89
  5. Step 5: Solve for x
    x = 702,054,997.89/29,398.39
  6. Step 6: Final answer
    x = 23,880.73

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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.