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Finding the Fourth Proportional to 19,898.94, 27,460.95 and 10,946.46

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Solution

The fourth proportional to 19,898.94, 27,460.95 and 10,946.46 is: 15,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.94 : 27,460.95 = 10,946.46 : x
  2. Step 2: Convert to fraction form
    19,898.94/27,460.95 = 10,946.46/x
  3. Step 3: Cross multiply
    19,898.94x = 27,460.95 × 10,946.46
  4. Step 4: Simplify right side
    19,898.94x = 300,600,190.74
  5. Step 5: Solve for x
    x = 300,600,190.74/19,898.94
  6. Step 6: Final answer
    x = 15,106.34

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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.