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Finding the Fourth Proportional to 1,810.42, 2,715.63 and 944.53

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Solution

The fourth proportional to 1,810.42, 2,715.63 and 944.53 is: 1,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.42 : 2,715.63 = 944.53 : x
  2. Step 2: Convert to fraction form
    1,810.42/2,715.63 = 944.53/x
  3. Step 3: Cross multiply
    1,810.42x = 2,715.63 × 944.53
  4. Step 4: Simplify right side
    1,810.42x = 2,564,994.00
  5. Step 5: Solve for x
    x = 2,564,994.00/1,810.42
  6. Step 6: Final answer
    x = 1,416.80

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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.