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Finding the Fourth Proportional to 15,609.10, 23,365.05 and 9,015.70

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Solution

The fourth proportional to 15,609.10, 23,365.05 and 9,015.70 is: 13,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.10 : 23,365.05 = 9,015.70 : x
  2. Step 2: Convert to fraction form
    15,609.10/23,365.05 = 9,015.70/x
  3. Step 3: Cross multiply
    15,609.10x = 23,365.05 × 9,015.70
  4. Step 4: Simplify right side
    15,609.10x = 210,652,281.29
  5. Step 5: Solve for x
    x = 210,652,281.29/15,609.10
  6. Step 6: Final answer
    x = 13,495.48

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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.