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Finding the Fourth Proportional to 29,479.90, 40,683.00 and 16,051.89

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Solution

The fourth proportional to 29,479.90, 40,683.00 and 16,051.89 is: 22,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,479.90 : 40,683.00 = 16,051.89 : x
  2. Step 2: Convert to fraction form
    29,479.90/40,683.00 = 16,051.89/x
  3. Step 3: Cross multiply
    29,479.90x = 40,683.00 × 16,051.89
  4. Step 4: Simplify right side
    29,479.90x = 653,038,960.61
  5. Step 5: Solve for x
    x = 653,038,960.61/29,479.90
  6. Step 6: Final answer
    x = 22,152.01

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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.