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Finding the Fourth Proportional to 3,890,599.04, 5,369,482.08 and 3,236,070.32

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Solution

The fourth proportional to 3,890,599.04, 5,369,482.08 and 3,236,070.32 is: 4,466,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,599.04 : 5,369,482.08 = 3,236,070.32 : x
  2. Step 2: Convert to fraction form
    3,890,599.04/5,369,482.08 = 3,236,070.32/x
  3. Step 3: Cross multiply
    3,890,599.04x = 5,369,482.08 × 3,236,070.32
  4. Step 4: Simplify right side
    3,890,599.04x = 17,376,021,592,859.87
  5. Step 5: Solve for x
    x = 17,376,021,592,859.87/3,890,599.04
  6. Step 6: Final answer
    x = 4,466,155.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.