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Finding the Fourth Proportional to 15,695,978.33, 23,544,705.60 and 4,913,630.93

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Solution

The fourth proportional to 15,695,978.33, 23,544,705.60 and 4,913,630.93 is: 7,370,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695,978.33 : 23,544,705.60 = 4,913,630.93 : x
  2. Step 2: Convert to fraction form
    15,695,978.33/23,544,705.60 = 4,913,630.93/x
  3. Step 3: Cross multiply
    15,695,978.33x = 23,544,705.60 × 4,913,630.93
  4. Step 4: Simplify right side
    15,695,978.33x = 115,689,993,673,904.20
  5. Step 5: Solve for x
    x = 115,689,993,673,904.20/15,695,978.33
  6. Step 6: Final answer
    x = 7,370,677.46

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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.