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Finding the Fourth Proportional to 9,903.94, 14,860.80 and 4,356.59

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Solution

The fourth proportional to 9,903.94, 14,860.80 and 4,356.59 is: 6,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.94 : 14,860.80 = 4,356.59 : x
  2. Step 2: Convert to fraction form
    9,903.94/14,860.80 = 4,356.59/x
  3. Step 3: Cross multiply
    9,903.94x = 14,860.80 × 4,356.59
  4. Step 4: Simplify right side
    9,903.94x = 64,742,338.37
  5. Step 5: Solve for x
    x = 64,742,338.37/9,903.94
  6. Step 6: Final answer
    x = 6,537.03

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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.