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Finding the Fourth Proportional to 19,333.44, 29,030.40 and 16,430.40

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Solution

The fourth proportional to 19,333.44, 29,030.40 and 16,430.40 is: 24,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.44 : 29,030.40 = 16,430.40 : x
  2. Step 2: Convert to fraction form
    19,333.44/29,030.40 = 16,430.40/x
  3. Step 3: Cross multiply
    19,333.44x = 29,030.40 × 16,430.40
  4. Step 4: Simplify right side
    19,333.44x = 476,981,084.16
  5. Step 5: Solve for x
    x = 476,981,084.16/19,333.44
  6. Step 6: Final answer
    x = 24,671.30

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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.