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Finding the Fourth Proportional to 7,533.70, 11,254.70 and 4,879.58

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Solution

The fourth proportional to 7,533.70, 11,254.70 and 4,879.58 is: 7,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,533.70 : 11,254.70 = 4,879.58 : x
  2. Step 2: Convert to fraction form
    7,533.70/11,254.70 = 4,879.58/x
  3. Step 3: Cross multiply
    7,533.70x = 11,254.70 × 4,879.58
  4. Step 4: Simplify right side
    7,533.70x = 54,918,209.03
  5. Step 5: Solve for x
    x = 54,918,209.03/7,533.70
  6. Step 6: Final answer
    x = 7,289.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.