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Finding the Fourth Proportional to 9,968,407.80, 14,952,611.70 and 7,547,029.74

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Solution

The fourth proportional to 9,968,407.80, 14,952,611.70 and 7,547,029.74 is: 11,320,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,407.80 : 14,952,611.70 = 7,547,029.74 : x
  2. Step 2: Convert to fraction form
    9,968,407.80/14,952,611.70 = 7,547,029.74/x
  3. Step 3: Cross multiply
    9,968,407.80x = 14,952,611.70 × 7,547,029.74
  4. Step 4: Simplify right side
    9,968,407.80x = 112,847,805,190,571.95
  5. Step 5: Solve for x
    x = 112,847,805,190,571.95/9,968,407.80
  6. Step 6: Final answer
    x = 11,320,544.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.