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Finding the Fourth Proportional to 1,506.10, 2,259.07 and 893.70

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Solution

The fourth proportional to 1,506.10, 2,259.07 and 893.70 is: 1,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.10 : 2,259.07 = 893.70 : x
  2. Step 2: Convert to fraction form
    1,506.10/2,259.07 = 893.70/x
  3. Step 3: Cross multiply
    1,506.10x = 2,259.07 × 893.70
  4. Step 4: Simplify right side
    1,506.10x = 2,018,926.39
  5. Step 5: Solve for x
    x = 2,018,926.39/1,506.10
  6. Step 6: Final answer
    x = 1,340.50

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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.