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Finding the Fourth Proportional to 19,196.60, 28,798.94 and 10,880.60

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Solution

The fourth proportional to 19,196.60, 28,798.94 and 10,880.60 is: 16,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.60 : 28,798.94 = 10,880.60 : x
  2. Step 2: Convert to fraction form
    19,196.60/28,798.94 = 10,880.60/x
  3. Step 3: Cross multiply
    19,196.60x = 28,798.94 × 10,880.60
  4. Step 4: Simplify right side
    19,196.60x = 313,349,746.56
  5. Step 5: Solve for x
    x = 313,349,746.56/19,196.60
  6. Step 6: Final answer
    x = 16,323.19

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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.