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Finding the Fourth Proportional to 9,848.70, 13,590.99 and 5,372.28

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Solution

The fourth proportional to 9,848.70, 13,590.99 and 5,372.28 is: 7,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,848.70 : 13,590.99 = 5,372.28 : x
  2. Step 2: Convert to fraction form
    9,848.70/13,590.99 = 5,372.28/x
  3. Step 3: Cross multiply
    9,848.70x = 13,590.99 × 5,372.28
  4. Step 4: Simplify right side
    9,848.70x = 73,014,603.76
  5. Step 5: Solve for x
    x = 73,014,603.76/9,848.70
  6. Step 6: Final answer
    x = 7,413.63

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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.