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Finding the Fourth Proportional to 5,165,473.68, 7,748,210.48 and 1,883,074.32

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Solution

The fourth proportional to 5,165,473.68, 7,748,210.48 and 1,883,074.32 is: 2,824,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165,473.68 : 7,748,210.48 = 1,883,074.32 : x
  2. Step 2: Convert to fraction form
    5,165,473.68/7,748,210.48 = 1,883,074.32/x
  3. Step 3: Cross multiply
    5,165,473.68x = 7,748,210.48 × 1,883,074.32
  4. Step 4: Simplify right side
    5,165,473.68x = 14,590,456,180,842.88
  5. Step 5: Solve for x
    x = 14,590,456,180,842.88/5,165,473.68
  6. Step 6: Final answer
    x = 2,824,611.47

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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.