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Finding the Fourth Proportional to 7,875,757, 10,868,548.98 and 4,254,085

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Solution

The fourth proportional to 7,875,757, 10,868,548.98 and 4,254,085 is: 5,870,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875,757 : 10,868,548.98 = 4,254,085 : x
  2. Step 2: Convert to fraction form
    7,875,757/10,868,548.98 = 4,254,085/x
  3. Step 3: Cross multiply
    7,875,757x = 10,868,548.98 × 4,254,085
  4. Step 4: Simplify right side
    7,875,757x = 46,235,731,187,583.30
  5. Step 5: Solve for x
    x = 46,235,731,187,583.30/7,875,757
  6. Step 6: Final answer
    x = 5,870,639.63

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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.