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Finding the Fourth Proportional to 15,075.93, 22,620.05 and 5,222.15

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Solution

The fourth proportional to 15,075.93, 22,620.05 and 5,222.15 is: 7,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.93 : 22,620.05 = 5,222.15 : x
  2. Step 2: Convert to fraction form
    15,075.93/22,620.05 = 5,222.15/x
  3. Step 3: Cross multiply
    15,075.93x = 22,620.05 × 5,222.15
  4. Step 4: Simplify right side
    15,075.93x = 118,125,294.11
  5. Step 5: Solve for x
    x = 118,125,294.11/15,075.93
  6. Step 6: Final answer
    x = 7,835.36

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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.