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Finding the Fourth Proportional to 29,492.36, 40,699.14 and 16,919.08

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Solution

The fourth proportional to 29,492.36, 40,699.14 and 16,919.08 is: 23,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,492.36 : 40,699.14 = 16,919.08 : x
  2. Step 2: Convert to fraction form
    29,492.36/40,699.14 = 16,919.08/x
  3. Step 3: Cross multiply
    29,492.36x = 40,699.14 × 16,919.08
  4. Step 4: Simplify right side
    29,492.36x = 688,592,005.59
  5. Step 5: Solve for x
    x = 688,592,005.59/29,492.36
  6. Step 6: Final answer
    x = 23,348.15

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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.