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Finding the Fourth Proportional to 4,927.68, 7,336.53 and 4,858.74

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Solution

The fourth proportional to 4,927.68, 7,336.53 and 4,858.74 is: 7,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.68 : 7,336.53 = 4,858.74 : x
  2. Step 2: Convert to fraction form
    4,927.68/7,336.53 = 4,858.74/x
  3. Step 3: Cross multiply
    4,927.68x = 7,336.53 × 4,858.74
  4. Step 4: Simplify right side
    4,927.68x = 35,646,291.77
  5. Step 5: Solve for x
    x = 35,646,291.77/4,927.68
  6. Step 6: Final answer
    x = 7,233.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.