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Finding the Fourth Proportional to 5,550.04, 7,655.88 and 3,957.04

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Solution

The fourth proportional to 5,550.04, 7,655.88 and 3,957.04 is: 5,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.04 : 7,655.88 = 3,957.04 : x
  2. Step 2: Convert to fraction form
    5,550.04/7,655.88 = 3,957.04/x
  3. Step 3: Cross multiply
    5,550.04x = 7,655.88 × 3,957.04
  4. Step 4: Simplify right side
    5,550.04x = 30,294,623.40
  5. Step 5: Solve for x
    x = 30,294,623.40/5,550.04
  6. Step 6: Final answer
    x = 5,458.45

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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.