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Finding the Fourth Proportional to 5,017.50, 7,526.25 and 1,369.50

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Solution

The fourth proportional to 5,017.50, 7,526.25 and 1,369.50 is: 2,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.50 : 7,526.25 = 1,369.50 : x
  2. Step 2: Convert to fraction form
    5,017.50/7,526.25 = 1,369.50/x
  3. Step 3: Cross multiply
    5,017.50x = 7,526.25 × 1,369.50
  4. Step 4: Simplify right side
    5,017.50x = 10,307,199.38
  5. Step 5: Solve for x
    x = 10,307,199.38/5,017.50
  6. Step 6: Final answer
    x = 2,054.25

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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.