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Finding the Fourth Proportional to 5,991,765.55, 8,987,713.93 and 1,731,970.69

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Solution

The fourth proportional to 5,991,765.55, 8,987,713.93 and 1,731,970.69 is: 2,597,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991,765.55 : 8,987,713.93 = 1,731,970.69 : x
  2. Step 2: Convert to fraction form
    5,991,765.55/8,987,713.93 = 1,731,970.69/x
  3. Step 3: Cross multiply
    5,991,765.55x = 8,987,713.93 × 1,731,970.69
  4. Step 4: Simplify right side
    5,991,765.55x = 15,566,457,076,561.08
  5. Step 5: Solve for x
    x = 15,566,457,076,561.08/5,991,765.55
  6. Step 6: Final answer
    x = 2,597,975.00

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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.