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Finding the Fourth Proportional to 7,578,328.03, 11,368,437.98 and 2,966,718.62

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Solution

The fourth proportional to 7,578,328.03, 11,368,437.98 and 2,966,718.62 is: 4,450,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578,328.03 : 11,368,437.98 = 2,966,718.62 : x
  2. Step 2: Convert to fraction form
    7,578,328.03/11,368,437.98 = 2,966,718.62/x
  3. Step 3: Cross multiply
    7,578,328.03x = 11,368,437.98 × 2,966,718.62
  4. Step 4: Simplify right side
    7,578,328.03x = 33,726,956,649,168.69
  5. Step 5: Solve for x
    x = 33,726,956,649,168.69/7,578,328.03
  6. Step 6: Final answer
    x = 4,450,448.24

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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.