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Finding the Fourth Proportional to 56,652,550.51, 84,978,821.08 and 15,711,989.12

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Solution

The fourth proportional to 56,652,550.51, 84,978,821.08 and 15,711,989.12 is: 23,567,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652,550.51 : 84,978,821.08 = 15,711,989.12 : x
  2. Step 2: Convert to fraction form
    56,652,550.51/84,978,821.08 = 15,711,989.12/x
  3. Step 3: Cross multiply
    56,652,550.51x = 84,978,821.08 × 15,711,989.12
  4. Step 4: Simplify right side
    56,652,550.51x = 1,335,186,312,239,386.50
  5. Step 5: Solve for x
    x = 1,335,186,312,239,386.50/56,652,550.51
  6. Step 6: Final answer
    x = 23,567,982.38

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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.