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Finding the Fourth Proportional to 30,603.63, 45,868.53 and 15,804.46

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Solution

The fourth proportional to 30,603.63, 45,868.53 and 15,804.46 is: 23,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,603.63 : 45,868.53 = 15,804.46 : x
  2. Step 2: Convert to fraction form
    30,603.63/45,868.53 = 15,804.46/x
  3. Step 3: Cross multiply
    30,603.63x = 45,868.53 × 15,804.46
  4. Step 4: Simplify right side
    30,603.63x = 724,927,347.64
  5. Step 5: Solve for x
    x = 724,927,347.64/30,603.63
  6. Step 6: Final answer
    x = 23,687.63

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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.