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Finding the Fourth Proportional to 6,903,662.55, 10,355,488.35 and 1,854,973.05

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Solution

The fourth proportional to 6,903,662.55, 10,355,488.35 and 1,854,973.05 is: 2,782,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903,662.55 : 10,355,488.35 = 1,854,973.05 : x
  2. Step 2: Convert to fraction form
    6,903,662.55/10,355,488.35 = 1,854,973.05/x
  3. Step 3: Cross multiply
    6,903,662.55x = 10,355,488.35 × 1,854,973.05
  4. Step 4: Simplify right side
    6,903,662.55x = 19,209,151,808,838.97
  5. Step 5: Solve for x
    x = 19,209,151,808,838.97/6,903,662.55
  6. Step 6: Final answer
    x = 2,782,458.10

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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.