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Finding the Fourth Proportional to 29,492.52, 40,703.40 and 16,917

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Solution

The fourth proportional to 29,492.52, 40,703.40 and 16,917 is: 23,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,492.52 : 40,703.40 = 16,917 : x
  2. Step 2: Convert to fraction form
    29,492.52/40,703.40 = 16,917/x
  3. Step 3: Cross multiply
    29,492.52x = 40,703.40 × 16,917
  4. Step 4: Simplify right side
    29,492.52x = 688,579,417.80
  5. Step 5: Solve for x
    x = 688,579,417.80/29,492.52
  6. Step 6: Final answer
    x = 23,347.60

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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.