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Finding the Fourth Proportional to 19,798.92, 29,695.59 and 5,006.93

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Solution

The fourth proportional to 19,798.92, 29,695.59 and 5,006.93 is: 7,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.92 : 29,695.59 = 5,006.93 : x
  2. Step 2: Convert to fraction form
    19,798.92/29,695.59 = 5,006.93/x
  3. Step 3: Cross multiply
    19,798.92x = 29,695.59 × 5,006.93
  4. Step 4: Simplify right side
    19,798.92x = 148,683,591.96
  5. Step 5: Solve for x
    x = 148,683,591.96/19,798.92
  6. Step 6: Final answer
    x = 7,509.68

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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.