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Finding the Fourth Proportional to 7,237.56, 9,984.78 and 4,875.60

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Solution

The fourth proportional to 7,237.56, 9,984.78 and 4,875.60 is: 6,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.56 : 9,984.78 = 4,875.60 : x
  2. Step 2: Convert to fraction form
    7,237.56/9,984.78 = 4,875.60/x
  3. Step 3: Cross multiply
    7,237.56x = 9,984.78 × 4,875.60
  4. Step 4: Simplify right side
    7,237.56x = 48,681,793.37
  5. Step 5: Solve for x
    x = 48,681,793.37/7,237.56
  6. Step 6: Final answer
    x = 6,726.27

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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.