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Finding the Fourth Proportional to 5,303.58, 7,313.88 and 3,866.64

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Solution

The fourth proportional to 5,303.58, 7,313.88 and 3,866.64 is: 5,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.58 : 7,313.88 = 3,866.64 : x
  2. Step 2: Convert to fraction form
    5,303.58/7,313.88 = 3,866.64/x
  3. Step 3: Cross multiply
    5,303.58x = 7,313.88 × 3,866.64
  4. Step 4: Simplify right side
    5,303.58x = 28,280,140.96
  5. Step 5: Solve for x
    x = 28,280,140.96/5,303.58
  6. Step 6: Final answer
    x = 5,332.27

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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.