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Finding the Fourth Proportional to 7,605.60, 10,493.93 and 4,621.25

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Solution

The fourth proportional to 7,605.60, 10,493.93 and 4,621.25 is: 6,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.60 : 10,493.93 = 4,621.25 : x
  2. Step 2: Convert to fraction form
    7,605.60/10,493.93 = 4,621.25/x
  3. Step 3: Cross multiply
    7,605.60x = 10,493.93 × 4,621.25
  4. Step 4: Simplify right side
    7,605.60x = 48,495,074.01
  5. Step 5: Solve for x
    x = 48,495,074.01/7,605.60
  6. Step 6: Final answer
    x = 6,376.23

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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.