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Finding the Fourth Proportional to 19,466.40, 29,156.40 and 16,010.40

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Solution

The fourth proportional to 19,466.40, 29,156.40 and 16,010.40 is: 23,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,466.40 : 29,156.40 = 16,010.40 : x
  2. Step 2: Convert to fraction form
    19,466.40/29,156.40 = 16,010.40/x
  3. Step 3: Cross multiply
    19,466.40x = 29,156.40 × 16,010.40
  4. Step 4: Simplify right side
    19,466.40x = 466,805,626.56
  5. Step 5: Solve for x
    x = 466,805,626.56/19,466.40
  6. Step 6: Final answer
    x = 23,980.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.