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Finding the Fourth Proportional to 1,357.08, 1,875.32 and 1,024.92

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Solution

The fourth proportional to 1,357.08, 1,875.32 and 1,024.92 is: 1,416.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.08 : 1,875.32 = 1,024.92 : x
  2. Step 2: Convert to fraction form
    1,357.08/1,875.32 = 1,024.92/x
  3. Step 3: Cross multiply
    1,357.08x = 1,875.32 × 1,024.92
  4. Step 4: Simplify right side
    1,357.08x = 1,922,047.85
  5. Step 5: Solve for x
    x = 1,922,047.85/1,357.08
  6. Step 6: Final answer
    x = 1,416.31

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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.