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Finding the Fourth Proportional to 6,239,911.84, 8,602,751.20 and 4,955,005.60

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Solution

The fourth proportional to 6,239,911.84, 8,602,751.20 and 4,955,005.60 is: 6,831,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,911.84 : 8,602,751.20 = 4,955,005.60 : x
  2. Step 2: Convert to fraction form
    6,239,911.84/8,602,751.20 = 4,955,005.60/x
  3. Step 3: Cross multiply
    6,239,911.84x = 8,602,751.20 × 4,955,005.60
  4. Step 4: Simplify right side
    6,239,911.84x = 42,626,680,371,406.71
  5. Step 5: Solve for x
    x = 42,626,680,371,406.71/6,239,911.84
  6. Step 6: Final answer
    x = 6,831,295.29

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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.