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Finding the Fourth Proportional to 7,059.96, 9,742.86 and 4,543.02

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Solution

The fourth proportional to 7,059.96, 9,742.86 and 4,543.02 is: 6,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.96 : 9,742.86 = 4,543.02 : x
  2. Step 2: Convert to fraction form
    7,059.96/9,742.86 = 4,543.02/x
  3. Step 3: Cross multiply
    7,059.96x = 9,742.86 × 4,543.02
  4. Step 4: Simplify right side
    7,059.96x = 44,262,007.84
  5. Step 5: Solve for x
    x = 44,262,007.84/7,059.96
  6. Step 6: Final answer
    x = 6,269.44

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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.