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Finding the Fourth Proportional to 4,803.96, 6,615.18 and 4,455.48

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Solution

The fourth proportional to 4,803.96, 6,615.18 and 4,455.48 is: 6,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.96 : 6,615.18 = 4,455.48 : x
  2. Step 2: Convert to fraction form
    4,803.96/6,615.18 = 4,455.48/x
  3. Step 3: Cross multiply
    4,803.96x = 6,615.18 × 4,455.48
  4. Step 4: Simplify right side
    4,803.96x = 29,473,802.19
  5. Step 5: Solve for x
    x = 29,473,802.19/4,803.96
  6. Step 6: Final answer
    x = 6,135.31

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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.