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Finding the Fourth Proportional to 6,365.86, 8,784.96 and 3,533.29

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Solution

The fourth proportional to 6,365.86, 8,784.96 and 3,533.29 is: 4,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.86 : 8,784.96 = 3,533.29 : x
  2. Step 2: Convert to fraction form
    6,365.86/8,784.96 = 3,533.29/x
  3. Step 3: Cross multiply
    6,365.86x = 8,784.96 × 3,533.29
  4. Step 4: Simplify right side
    6,365.86x = 31,039,776.11
  5. Step 5: Solve for x
    x = 31,039,776.11/6,365.86
  6. Step 6: Final answer
    x = 4,875.98

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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.