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Finding the Fourth Proportional to 19,008.60, 26,677.65 and 19,008.60

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Solution

The fourth proportional to 19,008.60, 26,677.65 and 19,008.60 is: 26,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.60 : 26,677.65 = 19,008.60 : x
  2. Step 2: Convert to fraction form
    19,008.60/26,677.65 = 19,008.60/x
  3. Step 3: Cross multiply
    19,008.60x = 26,677.65 × 19,008.60
  4. Step 4: Simplify right side
    19,008.60x = 507,104,777.79
  5. Step 5: Solve for x
    x = 507,104,777.79/19,008.60
  6. Step 6: Final answer
    x = 26,677.65

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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.