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Finding the Fourth Proportional to 22,304.64, 33,486.72 and 19,038.72

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Solution

The fourth proportional to 22,304.64, 33,486.72 and 19,038.72 is: 28,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,304.64 : 33,486.72 = 19,038.72 : x
  2. Step 2: Convert to fraction form
    22,304.64/33,486.72 = 19,038.72/x
  3. Step 3: Cross multiply
    22,304.64x = 33,486.72 × 19,038.72
  4. Step 4: Simplify right side
    22,304.64x = 637,544,285.80
  5. Step 5: Solve for x
    x = 637,544,285.80/22,304.64
  6. Step 6: Final answer
    x = 28,583.48

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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.