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Finding the Fourth Proportional to 20,373.08, 30,570 and 9,852.08

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Solution

The fourth proportional to 20,373.08, 30,570 and 9,852.08 is: 14,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373.08 : 30,570 = 9,852.08 : x
  2. Step 2: Convert to fraction form
    20,373.08/30,570 = 9,852.08/x
  3. Step 3: Cross multiply
    20,373.08x = 30,570 × 9,852.08
  4. Step 4: Simplify right side
    20,373.08x = 301,178,085.60
  5. Step 5: Solve for x
    x = 301,178,085.60/20,373.08
  6. Step 6: Final answer
    x = 14,783.14

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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.