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Finding the Fourth Proportional to 5,655,219.10, 8,482,828.65 and 5,655,219.10

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Solution

The fourth proportional to 5,655,219.10, 8,482,828.65 and 5,655,219.10 is: 8,482,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655,219.10 : 8,482,828.65 = 5,655,219.10 : x
  2. Step 2: Convert to fraction form
    5,655,219.10/8,482,828.65 = 5,655,219.10/x
  3. Step 3: Cross multiply
    5,655,219.10x = 8,482,828.65 × 5,655,219.10
  4. Step 4: Simplify right side
    5,655,219.10x = 47,972,254,603,507.21
  5. Step 5: Solve for x
    x = 47,972,254,603,507.21/5,655,219.10
  6. Step 6: Final answer
    x = 8,482,828.65

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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.