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Finding the Fourth Proportional to 4,886.48, 6,744.36 and 4,492.88

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Solution

The fourth proportional to 4,886.48, 6,744.36 and 4,492.88 is: 6,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.48 : 6,744.36 = 4,492.88 : x
  2. Step 2: Convert to fraction form
    4,886.48/6,744.36 = 4,492.88/x
  3. Step 3: Cross multiply
    4,886.48x = 6,744.36 × 4,492.88
  4. Step 4: Simplify right side
    4,886.48x = 30,301,600.16
  5. Step 5: Solve for x
    x = 30,301,600.16/4,886.48
  6. Step 6: Final answer
    x = 6,201.11

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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.