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Finding the Fourth Proportional to 23,057.60, 34,602.60 and 9,919.40

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Solution

The fourth proportional to 23,057.60, 34,602.60 and 9,919.40 is: 14,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,057.60 : 34,602.60 = 9,919.40 : x
  2. Step 2: Convert to fraction form
    23,057.60/34,602.60 = 9,919.40/x
  3. Step 3: Cross multiply
    23,057.60x = 34,602.60 × 9,919.40
  4. Step 4: Simplify right side
    23,057.60x = 343,237,030.44
  5. Step 5: Solve for x
    x = 343,237,030.44/23,057.60
  6. Step 6: Final answer
    x = 14,886.07

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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.