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Finding the Fourth Proportional to 8,959, 12,365.04 and 5,184.58

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Solution

The fourth proportional to 8,959, 12,365.04 and 5,184.58 is: 7,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959 : 12,365.04 = 5,184.58 : x
  2. Step 2: Convert to fraction form
    8,959/12,365.04 = 5,184.58/x
  3. Step 3: Cross multiply
    8,959x = 12,365.04 × 5,184.58
  4. Step 4: Simplify right side
    8,959x = 64,107,539.08
  5. Step 5: Solve for x
    x = 64,107,539.08/8,959
  6. Step 6: Final answer
    x = 7,155.66

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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.