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Finding the Fourth Proportional to 5,871,392.80, 8,808,356.28 and 1,772,374.56

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Solution

The fourth proportional to 5,871,392.80, 8,808,356.28 and 1,772,374.56 is: 2,658,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871,392.80 : 8,808,356.28 = 1,772,374.56 : x
  2. Step 2: Convert to fraction form
    5,871,392.80/8,808,356.28 = 1,772,374.56/x
  3. Step 3: Cross multiply
    5,871,392.80x = 8,808,356.28 × 1,772,374.56
  4. Step 4: Simplify right side
    5,871,392.80x = 15,611,706,559,703.30
  5. Step 5: Solve for x
    x = 15,611,706,559,703.30/5,871,392.80
  6. Step 6: Final answer
    x = 2,658,944.33

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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.