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Finding the Fourth Proportional to 48,380,610, 72,570,915 and 20,013,762

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Solution

The fourth proportional to 48,380,610, 72,570,915 and 20,013,762 is: 30,020,643

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,380,610 : 72,570,915 = 20,013,762 : x
  2. Step 2: Convert to fraction form
    48,380,610/72,570,915 = 20,013,762/x
  3. Step 3: Cross multiply
    48,380,610x = 72,570,915 × 20,013,762
  4. Step 4: Simplify right side
    48,380,610x = 1,452,417,020,932,230
  5. Step 5: Solve for x
    x = 1,452,417,020,932,230/48,380,610
  6. Step 6: Final answer
    x = 30,020,643

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.