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Finding the Fourth Proportional to 6,354,695.56, 8,773,702.90 and 4,881,981.32

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Solution

The fourth proportional to 6,354,695.56, 8,773,702.90 and 4,881,981.32 is: 6,740,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354,695.56 : 8,773,702.90 = 4,881,981.32 : x
  2. Step 2: Convert to fraction form
    6,354,695.56/8,773,702.90 = 4,881,981.32/x
  3. Step 3: Cross multiply
    6,354,695.56x = 8,773,702.90 × 4,881,981.32
  4. Step 4: Simplify right side
    6,354,695.56x = 42,833,053,665,029.84
  5. Step 5: Solve for x
    x = 42,833,053,665,029.84/6,354,695.56
  6. Step 6: Final answer
    x = 6,740,378.55

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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.