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Finding the Fourth Proportional to 9,587, 13,230.06 and 5,395.34

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Solution

The fourth proportional to 9,587, 13,230.06 and 5,395.34 is: 7,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587 : 13,230.06 = 5,395.34 : x
  2. Step 2: Convert to fraction form
    9,587/13,230.06 = 5,395.34/x
  3. Step 3: Cross multiply
    9,587x = 13,230.06 × 5,395.34
  4. Step 4: Simplify right side
    9,587x = 71,380,671.92
  5. Step 5: Solve for x
    x = 71,380,671.92/9,587
  6. Step 6: Final answer
    x = 7,445.57

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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.