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Finding the Fourth Proportional to 13,567.16, 20,352.78 and 4,802.16

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Solution

The fourth proportional to 13,567.16, 20,352.78 and 4,802.16 is: 7,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.16 : 20,352.78 = 4,802.16 : x
  2. Step 2: Convert to fraction form
    13,567.16/20,352.78 = 4,802.16/x
  3. Step 3: Cross multiply
    13,567.16x = 20,352.78 × 4,802.16
  4. Step 4: Simplify right side
    13,567.16x = 97,737,306.00
  5. Step 5: Solve for x
    x = 97,737,306.00/13,567.16
  6. Step 6: Final answer
    x = 7,203.96

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1.5x scale

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.