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Finding the Fourth Proportional to 14,999.60, 22,513.80 and 7,612.40

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Solution

The fourth proportional to 14,999.60, 22,513.80 and 7,612.40 is: 11,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.60 : 22,513.80 = 7,612.40 : x
  2. Step 2: Convert to fraction form
    14,999.60/22,513.80 = 7,612.40/x
  3. Step 3: Cross multiply
    14,999.60x = 22,513.80 × 7,612.40
  4. Step 4: Simplify right side
    14,999.60x = 171,384,051.12
  5. Step 5: Solve for x
    x = 171,384,051.12/14,999.60
  6. Step 6: Final answer
    x = 11,425.91

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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.