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Finding the Fourth Proportional to 6,330,806.55, 8,736,500.70 and 3,430,275.93

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Solution

The fourth proportional to 6,330,806.55, 8,736,500.70 and 3,430,275.93 is: 4,733,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330,806.55 : 8,736,500.70 = 3,430,275.93 : x
  2. Step 2: Convert to fraction form
    6,330,806.55/8,736,500.70 = 3,430,275.93/x
  3. Step 3: Cross multiply
    6,330,806.55x = 8,736,500.70 × 3,430,275.93
  4. Step 4: Simplify right side
    6,330,806.55x = 29,968,608,063,638.15
  5. Step 5: Solve for x
    x = 29,968,608,063,638.15/6,330,806.55
  6. Step 6: Final answer
    x = 4,733,774.10

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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.