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Finding the Fourth Proportional to 18,577.60, 26,043.20 and 18,577.60

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Solution

The fourth proportional to 18,577.60, 26,043.20 and 18,577.60 is: 26,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.60 : 26,043.20 = 18,577.60 : x
  2. Step 2: Convert to fraction form
    18,577.60/26,043.20 = 18,577.60/x
  3. Step 3: Cross multiply
    18,577.60x = 26,043.20 × 18,577.60
  4. Step 4: Simplify right side
    18,577.60x = 483,820,152.32
  5. Step 5: Solve for x
    x = 483,820,152.32/18,577.60
  6. Step 6: Final answer
    x = 26,043.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.