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Finding the Fourth Proportional to 19,574.76, 29,363.92 and 5,534.98

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Solution

The fourth proportional to 19,574.76, 29,363.92 and 5,534.98 is: 8,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.76 : 29,363.92 = 5,534.98 : x
  2. Step 2: Convert to fraction form
    19,574.76/29,363.92 = 5,534.98/x
  3. Step 3: Cross multiply
    19,574.76x = 29,363.92 × 5,534.98
  4. Step 4: Simplify right side
    19,574.76x = 162,528,787.85
  5. Step 5: Solve for x
    x = 162,528,787.85/19,574.76
  6. Step 6: Final answer
    x = 8,302.98

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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.