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Finding the Fourth Proportional to 23,784.61, 35,699.06 and 12,106.57

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Solution

The fourth proportional to 23,784.61, 35,699.06 and 12,106.57 is: 18,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,784.61 : 35,699.06 = 12,106.57 : x
  2. Step 2: Convert to fraction form
    23,784.61/35,699.06 = 12,106.57/x
  3. Step 3: Cross multiply
    23,784.61x = 35,699.06 × 12,106.57
  4. Step 4: Simplify right side
    23,784.61x = 432,193,108.29
  5. Step 5: Solve for x
    x = 432,193,108.29/23,784.61
  6. Step 6: Final answer
    x = 18,171.12

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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.