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Finding the Fourth Proportional to 29,637.01, 40,899.10 and 16,716.45

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Solution

The fourth proportional to 29,637.01, 40,899.10 and 16,716.45 is: 23,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,637.01 : 40,899.10 = 16,716.45 : x
  2. Step 2: Convert to fraction form
    29,637.01/40,899.10 = 16,716.45/x
  3. Step 3: Cross multiply
    29,637.01x = 40,899.10 × 16,716.45
  4. Step 4: Simplify right side
    29,637.01x = 683,687,835.11
  5. Step 5: Solve for x
    x = 683,687,835.11/29,637.01
  6. Step 6: Final answer
    x = 23,068.72

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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.