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Finding the Fourth Proportional to 23,145.60, 34,710.30 and 12,048.60

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Solution

The fourth proportional to 23,145.60, 34,710.30 and 12,048.60 is: 18,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.60 : 34,710.30 = 12,048.60 : x
  2. Step 2: Convert to fraction form
    23,145.60/34,710.30 = 12,048.60/x
  3. Step 3: Cross multiply
    23,145.60x = 34,710.30 × 12,048.60
  4. Step 4: Simplify right side
    23,145.60x = 418,210,520.58
  5. Step 5: Solve for x
    x = 418,210,520.58/23,145.60
  6. Step 6: Final answer
    x = 18,068.68

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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.