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Finding the Fourth Proportional to 19,898.32, 29,848.32 and 6,752.08

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Solution

The fourth proportional to 19,898.32, 29,848.32 and 6,752.08 is: 10,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.32 : 29,848.32 = 6,752.08 : x
  2. Step 2: Convert to fraction form
    19,898.32/29,848.32 = 6,752.08/x
  3. Step 3: Cross multiply
    19,898.32x = 29,848.32 × 6,752.08
  4. Step 4: Simplify right side
    19,898.32x = 201,538,244.51
  5. Step 5: Solve for x
    x = 201,538,244.51/19,898.32
  6. Step 6: Final answer
    x = 10,128.41

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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.