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Finding the Fourth Proportional to 9,894.84, 14,842.26 and 4,419

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Solution

The fourth proportional to 9,894.84, 14,842.26 and 4,419 is: 6,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894.84 : 14,842.26 = 4,419 : x
  2. Step 2: Convert to fraction form
    9,894.84/14,842.26 = 4,419/x
  3. Step 3: Cross multiply
    9,894.84x = 14,842.26 × 4,419
  4. Step 4: Simplify right side
    9,894.84x = 65,587,946.94
  5. Step 5: Solve for x
    x = 65,587,946.94/9,894.84
  6. Step 6: Final answer
    x = 6,628.50

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Double scale
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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.