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Finding the Fourth Proportional to 8,859,468.80, 13,303,948.80 and 4,873,241.60

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Solution

The fourth proportional to 8,859,468.80, 13,303,948.80 and 4,873,241.60 is: 7,317,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859,468.80 : 13,303,948.80 = 4,873,241.60 : x
  2. Step 2: Convert to fraction form
    8,859,468.80/13,303,948.80 = 4,873,241.60/x
  3. Step 3: Cross multiply
    8,859,468.80x = 13,303,948.80 × 4,873,241.60
  4. Step 4: Simplify right side
    8,859,468.80x = 64,833,356,736,430.08
  5. Step 5: Solve for x
    x = 64,833,356,736,430.08/8,859,468.80
  6. Step 6: Final answer
    x = 7,317,973.37

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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.