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Finding the Fourth Proportional to 5,871,492.72, 8,807,161.32 and 1,611,661.68

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Solution

The fourth proportional to 5,871,492.72, 8,807,161.32 and 1,611,661.68 is: 2,417,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871,492.72 : 8,807,161.32 = 1,611,661.68 : x
  2. Step 2: Convert to fraction form
    5,871,492.72/8,807,161.32 = 1,611,661.68/x
  3. Step 3: Cross multiply
    5,871,492.72x = 8,807,161.32 × 1,611,661.68
  4. Step 4: Simplify right side
    5,871,492.72x = 14,194,164,409,022.22
  5. Step 5: Solve for x
    x = 14,194,164,409,022.22/5,871,492.72
  6. Step 6: Final answer
    x = 2,417,471.18

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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.