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Finding the Fourth Proportional to 23,603.60, 32,567.08 and 15,210

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Solution

The fourth proportional to 23,603.60, 32,567.08 and 15,210 is: 20,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,603.60 : 32,567.08 = 15,210 : x
  2. Step 2: Convert to fraction form
    23,603.60/32,567.08 = 15,210/x
  3. Step 3: Cross multiply
    23,603.60x = 32,567.08 × 15,210
  4. Step 4: Simplify right side
    23,603.60x = 495,345,286.80
  5. Step 5: Solve for x
    x = 495,345,286.80/23,603.60
  6. Step 6: Final answer
    x = 20,986.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.