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Finding the Fourth Proportional to 6,492,730.88, 8,962,838.52 and 3,880,156.88

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Solution

The fourth proportional to 6,492,730.88, 8,962,838.52 and 3,880,156.88 is: 5,356,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492,730.88 : 8,962,838.52 = 3,880,156.88 : x
  2. Step 2: Convert to fraction form
    6,492,730.88/8,962,838.52 = 3,880,156.88/x
  3. Step 3: Cross multiply
    6,492,730.88x = 8,962,838.52 × 3,880,156.88
  4. Step 4: Simplify right side
    6,492,730.88x = 34,777,219,547,707.02
  5. Step 5: Solve for x
    x = 34,777,219,547,707.02/6,492,730.88
  6. Step 6: Final answer
    x = 5,356,331.59

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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.