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Finding the Fourth Proportional to 29,467.40, 40,664.70 and 16,038.63

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Solution

The fourth proportional to 29,467.40, 40,664.70 and 16,038.63 is: 22,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.40 : 40,664.70 = 16,038.63 : x
  2. Step 2: Convert to fraction form
    29,467.40/40,664.70 = 16,038.63/x
  3. Step 3: Cross multiply
    29,467.40x = 40,664.70 × 16,038.63
  4. Step 4: Simplify right side
    29,467.40x = 652,206,077.36
  5. Step 5: Solve for x
    x = 652,206,077.36/29,467.40
  6. Step 6: Final answer
    x = 22,133.14

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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.