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Finding the Fourth Proportional to 7,497.80, 10,347.70 and 4,353.80

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Solution

The fourth proportional to 7,497.80, 10,347.70 and 4,353.80 is: 6,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.80 : 10,347.70 = 4,353.80 : x
  2. Step 2: Convert to fraction form
    7,497.80/10,347.70 = 4,353.80/x
  3. Step 3: Cross multiply
    7,497.80x = 10,347.70 × 4,353.80
  4. Step 4: Simplify right side
    7,497.80x = 45,051,816.26
  5. Step 5: Solve for x
    x = 45,051,816.26/7,497.80
  6. Step 6: Final answer
    x = 6,008.67

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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.