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Finding the Fourth Proportional to 26,472.84, 39,683.88 and 9,828.42

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Solution

The fourth proportional to 26,472.84, 39,683.88 and 9,828.42 is: 14,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.84 : 39,683.88 = 9,828.42 : x
  2. Step 2: Convert to fraction form
    26,472.84/39,683.88 = 9,828.42/x
  3. Step 3: Cross multiply
    26,472.84x = 39,683.88 × 9,828.42
  4. Step 4: Simplify right side
    26,472.84x = 390,029,839.87
  5. Step 5: Solve for x
    x = 390,029,839.87/26,472.84
  6. Step 6: Final answer
    x = 14,733.21

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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.