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Finding the Fourth Proportional to 7,774,946.10, 11,662,419.15 and 3,730,745.70

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Solution

The fourth proportional to 7,774,946.10, 11,662,419.15 and 3,730,745.70 is: 5,596,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774,946.10 : 11,662,419.15 = 3,730,745.70 : x
  2. Step 2: Convert to fraction form
    7,774,946.10/11,662,419.15 = 3,730,745.70/x
  3. Step 3: Cross multiply
    7,774,946.10x = 11,662,419.15 × 3,730,745.70
  4. Step 4: Simplify right side
    7,774,946.10x = 43,509,520,095,460.16
  5. Step 5: Solve for x
    x = 43,509,520,095,460.16/7,774,946.10
  6. Step 6: Final answer
    x = 5,596,118.55

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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.