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Finding the Fourth Proportional to 14,160.66, 21,262.92 and 7,599.66

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Solution

The fourth proportional to 14,160.66, 21,262.92 and 7,599.66 is: 11,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.66 : 21,262.92 = 7,599.66 : x
  2. Step 2: Convert to fraction form
    14,160.66/21,262.92 = 7,599.66/x
  3. Step 3: Cross multiply
    14,160.66x = 21,262.92 × 7,599.66
  4. Step 4: Simplify right side
    14,160.66x = 161,590,962.61
  5. Step 5: Solve for x
    x = 161,590,962.61/14,160.66
  6. Step 6: Final answer
    x = 11,411.26

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1.5x scale

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.