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Finding the Fourth Proportional to 7,059.03, 9,739.08 and 4,405.47

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Solution

The fourth proportional to 7,059.03, 9,739.08 and 4,405.47 is: 6,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.03 : 9,739.08 = 4,405.47 : x
  2. Step 2: Convert to fraction form
    7,059.03/9,739.08 = 4,405.47/x
  3. Step 3: Cross multiply
    7,059.03x = 9,739.08 × 4,405.47
  4. Step 4: Simplify right side
    7,059.03x = 42,905,224.77
  5. Step 5: Solve for x
    x = 42,905,224.77/7,059.03
  6. Step 6: Final answer
    x = 6,078.06

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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.