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Finding the Fourth Proportional to 14,993.12, 22,503.60 and 7,602.80

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Solution

The fourth proportional to 14,993.12, 22,503.60 and 7,602.80 is: 11,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993.12 : 22,503.60 = 7,602.80 : x
  2. Step 2: Convert to fraction form
    14,993.12/22,503.60 = 7,602.80/x
  3. Step 3: Cross multiply
    14,993.12x = 22,503.60 × 7,602.80
  4. Step 4: Simplify right side
    14,993.12x = 171,090,370.08
  5. Step 5: Solve for x
    x = 171,090,370.08/14,993.12
  6. Step 6: Final answer
    x = 11,411.26

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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.