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Finding the Fourth Proportional to 6,492.21, 8,956.74 and 4,101.51

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Solution

The fourth proportional to 6,492.21, 8,956.74 and 4,101.51 is: 5,658.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.21 : 8,956.74 = 4,101.51 : x
  2. Step 2: Convert to fraction form
    6,492.21/8,956.74 = 4,101.51/x
  3. Step 3: Cross multiply
    6,492.21x = 8,956.74 × 4,101.51
  4. Step 4: Simplify right side
    6,492.21x = 36,736,158.68
  5. Step 5: Solve for x
    x = 36,736,158.68/6,492.21
  6. Step 6: Final answer
    x = 5,658.50

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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.