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Finding the Fourth Proportional to 7,851.63, 10,836.27 and 4,494.99

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Solution

The fourth proportional to 7,851.63, 10,836.27 and 4,494.99 is: 6,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.63 : 10,836.27 = 4,494.99 : x
  2. Step 2: Convert to fraction form
    7,851.63/10,836.27 = 4,494.99/x
  3. Step 3: Cross multiply
    7,851.63x = 10,836.27 × 4,494.99
  4. Step 4: Simplify right side
    7,851.63x = 48,708,925.29
  5. Step 5: Solve for x
    x = 48,708,925.29/7,851.63
  6. Step 6: Final answer
    x = 6,203.67

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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.