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Finding the Fourth Proportional to 6,655,597.77, 9,984,892.02 and 2,106,919.35

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Solution

The fourth proportional to 6,655,597.77, 9,984,892.02 and 2,106,919.35 is: 3,160,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655,597.77 : 9,984,892.02 = 2,106,919.35 : x
  2. Step 2: Convert to fraction form
    6,655,597.77/9,984,892.02 = 2,106,919.35/x
  3. Step 3: Cross multiply
    6,655,597.77x = 9,984,892.02 × 2,106,919.35
  4. Step 4: Simplify right side
    6,655,597.77x = 21,037,362,208,549.06
  5. Step 5: Solve for x
    x = 21,037,362,208,549.06/6,655,597.77
  6. Step 6: Final answer
    x = 3,160,852.40

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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.