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Finding the Fourth Proportional to 9,968,172.10, 14,952,258.15 and 9,873,693.70

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Solution

The fourth proportional to 9,968,172.10, 14,952,258.15 and 9,873,693.70 is: 14,810,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,172.10 : 14,952,258.15 = 9,873,693.70 : x
  2. Step 2: Convert to fraction form
    9,968,172.10/14,952,258.15 = 9,873,693.70/x
  3. Step 3: Cross multiply
    9,968,172.10x = 14,952,258.15 × 9,873,693.70
  4. Step 4: Simplify right side
    9,968,172.10x = 147,634,017,096,428.66
  5. Step 5: Solve for x
    x = 147,634,017,096,428.66/9,968,172.10
  6. Step 6: Final answer
    x = 14,810,540.55

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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.