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Finding the Fourth Proportional to 4,838.85, 6,678.05 and 2,848.41

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Solution

The fourth proportional to 4,838.85, 6,678.05 and 2,848.41 is: 3,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.85 : 6,678.05 = 2,848.41 : x
  2. Step 2: Convert to fraction form
    4,838.85/6,678.05 = 2,848.41/x
  3. Step 3: Cross multiply
    4,838.85x = 6,678.05 × 2,848.41
  4. Step 4: Simplify right side
    4,838.85x = 19,021,810.16
  5. Step 5: Solve for x
    x = 19,021,810.16/4,838.85
  6. Step 6: Final answer
    x = 3,931.06

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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.