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Finding the Fourth Proportional to 8,602.67, 11,873.58 and 5,458.25

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Solution

The fourth proportional to 8,602.67, 11,873.58 and 5,458.25 is: 7,533.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.67 : 11,873.58 = 5,458.25 : x
  2. Step 2: Convert to fraction form
    8,602.67/11,873.58 = 5,458.25/x
  3. Step 3: Cross multiply
    8,602.67x = 11,873.58 × 5,458.25
  4. Step 4: Simplify right side
    8,602.67x = 64,808,968.04
  5. Step 5: Solve for x
    x = 64,808,968.04/8,602.67
  6. Step 6: Final answer
    x = 7,533.59

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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.