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Finding the Fourth Proportional to 17,794,899.60, 26,692,349.40 and 12,084,205.20

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Solution

The fourth proportional to 17,794,899.60, 26,692,349.40 and 12,084,205.20 is: 18,126,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794,899.60 : 26,692,349.40 = 12,084,205.20 : x
  2. Step 2: Convert to fraction form
    17,794,899.60/26,692,349.40 = 12,084,205.20/x
  3. Step 3: Cross multiply
    17,794,899.60x = 26,692,349.40 × 12,084,205.20
  4. Step 4: Simplify right side
    17,794,899.60x = 322,555,827,419,696.81
  5. Step 5: Solve for x
    x = 322,555,827,419,696.81/17,794,899.60
  6. Step 6: Final answer
    x = 18,126,307.80

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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.