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Finding the Fourth Proportional to 17,604,990.60, 26,407,485.90 and 15,365,502.60

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Solution

The fourth proportional to 17,604,990.60, 26,407,485.90 and 15,365,502.60 is: 23,048,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604,990.60 : 26,407,485.90 = 15,365,502.60 : x
  2. Step 2: Convert to fraction form
    17,604,990.60/26,407,485.90 = 15,365,502.60/x
  3. Step 3: Cross multiply
    17,604,990.60x = 26,407,485.90 × 15,365,502.60
  4. Step 4: Simplify right side
    17,604,990.60x = 405,764,293,255,913.31
  5. Step 5: Solve for x
    x = 405,764,293,255,913.31/17,604,990.60
  6. Step 6: Final answer
    x = 23,048,253.90

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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.