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Finding the Fourth Proportional to 1,773.69, 2,442.11 and 1,507.60

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Solution

The fourth proportional to 1,773.69, 2,442.11 and 1,507.60 is: 2,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.69 : 2,442.11 = 1,507.60 : x
  2. Step 2: Convert to fraction form
    1,773.69/2,442.11 = 1,507.60/x
  3. Step 3: Cross multiply
    1,773.69x = 2,442.11 × 1,507.60
  4. Step 4: Simplify right side
    1,773.69x = 3,681,725.04
  5. Step 5: Solve for x
    x = 3,681,725.04/1,773.69
  6. Step 6: Final answer
    x = 2,075.74

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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.