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Finding the Fourth Proportional to 19,699.76, 29,549.62 and 5,848.76

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Solution

The fourth proportional to 19,699.76, 29,549.62 and 5,848.76 is: 8,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.76 : 29,549.62 = 5,848.76 : x
  2. Step 2: Convert to fraction form
    19,699.76/29,549.62 = 5,848.76/x
  3. Step 3: Cross multiply
    19,699.76x = 29,549.62 × 5,848.76
  4. Step 4: Simplify right side
    19,699.76x = 172,828,635.47
  5. Step 5: Solve for x
    x = 172,828,635.47/19,699.76
  6. Step 6: Final answer
    x = 8,773.13

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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.