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Finding the Fourth Proportional to 1,360.77, 2,023.87 and 1,334.63

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Solution

The fourth proportional to 1,360.77, 2,023.87 and 1,334.63 is: 1,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.77 : 2,023.87 = 1,334.63 : x
  2. Step 2: Convert to fraction form
    1,360.77/2,023.87 = 1,334.63/x
  3. Step 3: Cross multiply
    1,360.77x = 2,023.87 × 1,334.63
  4. Step 4: Simplify right side
    1,360.77x = 2,701,117.62
  5. Step 5: Solve for x
    x = 2,701,117.62/1,360.77
  6. Step 6: Final answer
    x = 1,985.00

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1.5x scale

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.