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Finding the Fourth Proportional to 29,479.37, 40,678.00 and 17,370.68

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Solution

The fourth proportional to 29,479.37, 40,678.00 and 17,370.68 is: 23,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,479.37 : 40,678.00 = 17,370.68 : x
  2. Step 2: Convert to fraction form
    29,479.37/40,678.00 = 17,370.68/x
  3. Step 3: Cross multiply
    29,479.37x = 40,678.00 × 17,370.68
  4. Step 4: Simplify right side
    29,479.37x = 706,604,230.80
  5. Step 5: Solve for x
    x = 706,604,230.80/29,479.37
  6. Step 6: Final answer
    x = 23,969.45

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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.