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Finding the Fourth Proportional to 29,000.53, 40,020.05 and 17,064.64

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Solution

The fourth proportional to 29,000.53, 40,020.05 and 17,064.64 is: 23,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,000.53 : 40,020.05 = 17,064.64 : x
  2. Step 2: Convert to fraction form
    29,000.53/40,020.05 = 17,064.64/x
  3. Step 3: Cross multiply
    29,000.53x = 40,020.05 × 17,064.64
  4. Step 4: Simplify right side
    29,000.53x = 682,927,746.03
  5. Step 5: Solve for x
    x = 682,927,746.03/29,000.53
  6. Step 6: Final answer
    x = 23,548.80

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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.