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Finding the Fourth Proportional to 19,477, 26,878.25 and 10,524.50

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Solution

The fourth proportional to 19,477, 26,878.25 and 10,524.50 is: 14,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477 : 26,878.25 = 10,524.50 : x
  2. Step 2: Convert to fraction form
    19,477/26,878.25 = 10,524.50/x
  3. Step 3: Cross multiply
    19,477x = 26,878.25 × 10,524.50
  4. Step 4: Simplify right side
    19,477x = 282,880,142.13
  5. Step 5: Solve for x
    x = 282,880,142.13/19,477
  6. Step 6: Final answer
    x = 14,523.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.