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Finding the Fourth Proportional to 19,592.98, 27,038.22 and 10,640.41

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Solution

The fourth proportional to 19,592.98, 27,038.22 and 10,640.41 is: 14,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,592.98 : 27,038.22 = 10,640.41 : x
  2. Step 2: Convert to fraction form
    19,592.98/27,038.22 = 10,640.41/x
  3. Step 3: Cross multiply
    19,592.98x = 27,038.22 × 10,640.41
  4. Step 4: Simplify right side
    19,592.98x = 287,697,746.47
  5. Step 5: Solve for x
    x = 287,697,746.47/19,592.98
  6. Step 6: Final answer
    x = 14,683.72

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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.