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Finding the Fourth Proportional to 23,430.95, 35,146.44 and 9,579.95

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Solution

The fourth proportional to 23,430.95, 35,146.44 and 9,579.95 is: 14,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.95 : 35,146.44 = 9,579.95 : x
  2. Step 2: Convert to fraction form
    23,430.95/35,146.44 = 9,579.95/x
  3. Step 3: Cross multiply
    23,430.95x = 35,146.44 × 9,579.95
  4. Step 4: Simplify right side
    23,430.95x = 336,701,137.88
  5. Step 5: Solve for x
    x = 336,701,137.88/23,430.95
  6. Step 6: Final answer
    x = 14,369.93

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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.