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Finding the Fourth Proportional to 14,407.70, 21,612.03 and 4,018.58

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Solution

The fourth proportional to 14,407.70, 21,612.03 and 4,018.58 is: 6,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407.70 : 21,612.03 = 4,018.58 : x
  2. Step 2: Convert to fraction form
    14,407.70/21,612.03 = 4,018.58/x
  3. Step 3: Cross multiply
    14,407.70x = 21,612.03 × 4,018.58
  4. Step 4: Simplify right side
    14,407.70x = 86,849,671.52
  5. Step 5: Solve for x
    x = 86,849,671.52/14,407.70
  6. Step 6: Final answer
    x = 6,028.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.