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Finding the Fourth Proportional to 8,895,248.80, 12,275,114.64 and 4,820,780.32

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Solution

The fourth proportional to 8,895,248.80, 12,275,114.64 and 4,820,780.32 is: 6,652,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895,248.80 : 12,275,114.64 = 4,820,780.32 : x
  2. Step 2: Convert to fraction form
    8,895,248.80/12,275,114.64 = 4,820,780.32/x
  3. Step 3: Cross multiply
    8,895,248.80x = 12,275,114.64 × 4,820,780.32
  4. Step 4: Simplify right side
    8,895,248.80x = 59,175,631,082,255.89
  5. Step 5: Solve for x
    x = 59,175,631,082,255.89/8,895,248.80
  6. Step 6: Final answer
    x = 6,652,498.70

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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.