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Finding the Fourth Proportional to 19,898.25, 29,842.80 and 8,798.93

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Solution

The fourth proportional to 19,898.25, 29,842.80 and 8,798.93 is: 13,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.25 : 29,842.80 = 8,798.93 : x
  2. Step 2: Convert to fraction form
    19,898.25/29,842.80 = 8,798.93/x
  3. Step 3: Cross multiply
    19,898.25x = 29,842.80 × 8,798.93
  4. Step 4: Simplify right side
    19,898.25x = 262,584,558.99
  5. Step 5: Solve for x
    x = 262,584,558.99/19,898.25
  6. Step 6: Final answer
    x = 13,196.36

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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.