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Finding the Fourth Proportional to 19,463.49, 26,858.00 and 10,962.90

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Solution

The fourth proportional to 19,463.49, 26,858.00 and 10,962.90 is: 15,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.49 : 26,858.00 = 10,962.90 : x
  2. Step 2: Convert to fraction form
    19,463.49/26,858.00 = 10,962.90/x
  3. Step 3: Cross multiply
    19,463.49x = 26,858.00 × 10,962.90
  4. Step 4: Simplify right side
    19,463.49x = 294,441,595.61
  5. Step 5: Solve for x
    x = 294,441,595.61/19,463.49
  6. Step 6: Final answer
    x = 15,127.89

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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.