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Finding the Fourth Proportional to 29,417.99, 40,602.73 and 17,479.03

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Solution

The fourth proportional to 29,417.99, 40,602.73 and 17,479.03 is: 24,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,417.99 : 40,602.73 = 17,479.03 : x
  2. Step 2: Convert to fraction form
    29,417.99/40,602.73 = 17,479.03/x
  3. Step 3: Cross multiply
    29,417.99x = 40,602.73 × 17,479.03
  4. Step 4: Simplify right side
    29,417.99x = 709,696,190.55
  5. Step 5: Solve for x
    x = 709,696,190.55/29,417.99
  6. Step 6: Final answer
    x = 24,124.57

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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.