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Finding the Fourth Proportional to 20,047.88, 30,075.88 and 6,008.16

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Solution

The fourth proportional to 20,047.88, 30,075.88 and 6,008.16 is: 9,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.88 : 30,075.88 = 6,008.16 : x
  2. Step 2: Convert to fraction form
    20,047.88/30,075.88 = 6,008.16/x
  3. Step 3: Cross multiply
    20,047.88x = 30,075.88 × 6,008.16
  4. Step 4: Simplify right side
    20,047.88x = 180,700,699.18
  5. Step 5: Solve for x
    x = 180,700,699.18/20,047.88
  6. Step 6: Final answer
    x = 9,013.46

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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.