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Finding the Fourth Proportional to 6,783.54, 9,355.04 and 4,655.32

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Solution

The fourth proportional to 6,783.54, 9,355.04 and 4,655.32 is: 6,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.54 : 9,355.04 = 4,655.32 : x
  2. Step 2: Convert to fraction form
    6,783.54/9,355.04 = 4,655.32/x
  3. Step 3: Cross multiply
    6,783.54x = 9,355.04 × 4,655.32
  4. Step 4: Simplify right side
    6,783.54x = 43,550,634.76
  5. Step 5: Solve for x
    x = 43,550,634.76/6,783.54
  6. Step 6: Final answer
    x = 6,420.05

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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.