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Finding the Fourth Proportional to 9,046,649.50, 12,484,472.97 and 4,916,680.90

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Solution

The fourth proportional to 9,046,649.50, 12,484,472.97 and 4,916,680.90 is: 6,785,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,046,649.50 : 12,484,472.97 = 4,916,680.90 : x
  2. Step 2: Convert to fraction form
    9,046,649.50/12,484,472.97 = 4,916,680.90/x
  3. Step 3: Cross multiply
    9,046,649.50x = 12,484,472.97 × 4,916,680.90
  4. Step 4: Simplify right side
    9,046,649.50x = 61,382,169,798,165.28
  5. Step 5: Solve for x
    x = 61,382,169,798,165.28/9,046,649.50
  6. Step 6: Final answer
    x = 6,785,072.17

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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.