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Finding the Fourth Proportional to 29,503.68, 40,710.51 and 16,926

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Solution

The fourth proportional to 29,503.68, 40,710.51 and 16,926 is: 23,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,503.68 : 40,710.51 = 16,926 : x
  2. Step 2: Convert to fraction form
    29,503.68/40,710.51 = 16,926/x
  3. Step 3: Cross multiply
    29,503.68x = 40,710.51 × 16,926
  4. Step 4: Simplify right side
    29,503.68x = 689,066,092.26
  5. Step 5: Solve for x
    x = 689,066,092.26/29,503.68
  6. Step 6: Final answer
    x = 23,355.26

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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.