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Finding the Fourth Proportional to 1,504.08, 2,075.58 and 840.93

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Solution

The fourth proportional to 1,504.08, 2,075.58 and 840.93 is: 1,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.08 : 2,075.58 = 840.93 : x
  2. Step 2: Convert to fraction form
    1,504.08/2,075.58 = 840.93/x
  3. Step 3: Cross multiply
    1,504.08x = 2,075.58 × 840.93
  4. Step 4: Simplify right side
    1,504.08x = 1,745,417.49
  5. Step 5: Solve for x
    x = 1,745,417.49/1,504.08
  6. Step 6: Final answer
    x = 1,160.46

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