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Finding the Fourth Proportional to 5,605.60, 8,408.40 and 4,703.46

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Solution

The fourth proportional to 5,605.60, 8,408.40 and 4,703.46 is: 7,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.60 : 8,408.40 = 4,703.46 : x
  2. Step 2: Convert to fraction form
    5,605.60/8,408.40 = 4,703.46/x
  3. Step 3: Cross multiply
    5,605.60x = 8,408.40 × 4,703.46
  4. Step 4: Simplify right side
    5,605.60x = 39,548,573.06
  5. Step 5: Solve for x
    x = 39,548,573.06/5,605.60
  6. Step 6: Final answer
    x = 7,055.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.