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Finding the Fourth Proportional to 5,168,657.18, 7,754,093.58 and 1,574,713.82

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Solution

The fourth proportional to 5,168,657.18, 7,754,093.58 and 1,574,713.82 is: 2,362,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,657.18 : 7,754,093.58 = 1,574,713.82 : x
  2. Step 2: Convert to fraction form
    5,168,657.18/7,754,093.58 = 1,574,713.82/x
  3. Step 3: Cross multiply
    5,168,657.18x = 7,754,093.58 × 1,574,713.82
  4. Step 4: Simplify right side
    5,168,657.18x = 12,210,478,321,999.28
  5. Step 5: Solve for x
    x = 12,210,478,321,999.28/5,168,657.18
  6. Step 6: Final answer
    x = 2,362,408.24

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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.