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Finding the Fourth Proportional to 5,018.50, 6,925.53 and 2,810.50

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Solution

The fourth proportional to 5,018.50, 6,925.53 and 2,810.50 is: 3,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.50 : 6,925.53 = 2,810.50 : x
  2. Step 2: Convert to fraction form
    5,018.50/6,925.53 = 2,810.50/x
  3. Step 3: Cross multiply
    5,018.50x = 6,925.53 × 2,810.50
  4. Step 4: Simplify right side
    5,018.50x = 19,464,202.07
  5. Step 5: Solve for x
    x = 19,464,202.07/5,018.50
  6. Step 6: Final answer
    x = 3,878.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.