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Finding the Fourth Proportional to 1,417.12, 1,955.51 and 893.05

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Solution

The fourth proportional to 1,417.12, 1,955.51 and 893.05 is: 1,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.12 : 1,955.51 = 893.05 : x
  2. Step 2: Convert to fraction form
    1,417.12/1,955.51 = 893.05/x
  3. Step 3: Cross multiply
    1,417.12x = 1,955.51 × 893.05
  4. Step 4: Simplify right side
    1,417.12x = 1,746,363.74
  5. Step 5: Solve for x
    x = 1,746,363.74/1,417.12
  6. Step 6: Final answer
    x = 1,232.33

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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.