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Finding the Fourth Proportional to 1,557.95, 2,337.08 and 736.00

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Solution

The fourth proportional to 1,557.95, 2,337.08 and 736.00 is: 1,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.95 : 2,337.08 = 736.00 : x
  2. Step 2: Convert to fraction form
    1,557.95/2,337.08 = 736.00/x
  3. Step 3: Cross multiply
    1,557.95x = 2,337.08 × 736.00
  4. Step 4: Simplify right side
    1,557.95x = 1,720,081.36
  5. Step 5: Solve for x
    x = 1,720,081.36/1,557.95
  6. Step 6: Final answer
    x = 1,104.07

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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.