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Finding the Fourth Proportional to 4,878,955.72, 6,733,106.49 and 2,703,295.32

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Solution

The fourth proportional to 4,878,955.72, 6,733,106.49 and 2,703,295.32 is: 3,730,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,955.72 : 6,733,106.49 = 2,703,295.32 : x
  2. Step 2: Convert to fraction form
    4,878,955.72/6,733,106.49 = 2,703,295.32/x
  3. Step 3: Cross multiply
    4,878,955.72x = 6,733,106.49 × 2,703,295.32
  4. Step 4: Simplify right side
    4,878,955.72x = 18,201,575,263,478.62
  5. Step 5: Solve for x
    x = 18,201,575,263,478.62/4,878,955.72
  6. Step 6: Final answer
    x = 3,730,629.32

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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.