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Finding the Fourth Proportional to 29,031.58, 40,064.02 and 16,287.58

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Solution

The fourth proportional to 29,031.58, 40,064.02 and 16,287.58 is: 22,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,031.58 : 40,064.02 = 16,287.58 : x
  2. Step 2: Convert to fraction form
    29,031.58/40,064.02 = 16,287.58/x
  3. Step 3: Cross multiply
    29,031.58x = 40,064.02 × 16,287.58
  4. Step 4: Simplify right side
    29,031.58x = 652,545,940.23
  5. Step 5: Solve for x
    x = 652,545,940.23/29,031.58
  6. Step 6: Final answer
    x = 22,477.11

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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.