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Finding the Fourth Proportional to 7,967.79, 11,950.05 and 7,572.60

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Solution

The fourth proportional to 7,967.79, 11,950.05 and 7,572.60 is: 11,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.79 : 11,950.05 = 7,572.60 : x
  2. Step 2: Convert to fraction form
    7,967.79/11,950.05 = 7,572.60/x
  3. Step 3: Cross multiply
    7,967.79x = 11,950.05 × 7,572.60
  4. Step 4: Simplify right side
    7,967.79x = 90,492,948.63
  5. Step 5: Solve for x
    x = 90,492,948.63/7,967.79
  6. Step 6: Final answer
    x = 11,357.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.