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Finding the Fourth Proportional to 20,063.50, 30,079.25 and 9,528.23

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Solution

The fourth proportional to 20,063.50, 30,079.25 and 9,528.23 is: 14,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.50 : 30,079.25 = 9,528.23 : x
  2. Step 2: Convert to fraction form
    20,063.50/30,079.25 = 9,528.23/x
  3. Step 3: Cross multiply
    20,063.50x = 30,079.25 × 9,528.23
  4. Step 4: Simplify right side
    20,063.50x = 286,602,075.52
  5. Step 5: Solve for x
    x = 286,602,075.52/20,063.50
  6. Step 6: Final answer
    x = 14,284.75

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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.