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Finding the Fourth Proportional to 1,054.95, 1,569.99 and 1,016.07

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Solution

The fourth proportional to 1,054.95, 1,569.99 and 1,016.07 is: 1,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.95 : 1,569.99 = 1,016.07 : x
  2. Step 2: Convert to fraction form
    1,054.95/1,569.99 = 1,016.07/x
  3. Step 3: Cross multiply
    1,054.95x = 1,569.99 × 1,016.07
  4. Step 4: Simplify right side
    1,054.95x = 1,595,219.74
  5. Step 5: Solve for x
    x = 1,595,219.74/1,054.95
  6. Step 6: Final answer
    x = 1,512.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.