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Finding the Fourth Proportional to 1,465.86, 2,025.24 and 1,025.70

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Solution

The fourth proportional to 1,465.86, 2,025.24 and 1,025.70 is: 1,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.86 : 2,025.24 = 1,025.70 : x
  2. Step 2: Convert to fraction form
    1,465.86/2,025.24 = 1,025.70/x
  3. Step 3: Cross multiply
    1,465.86x = 2,025.24 × 1,025.70
  4. Step 4: Simplify right side
    1,465.86x = 2,077,288.67
  5. Step 5: Solve for x
    x = 2,077,288.67/1,465.86
  6. Step 6: Final answer
    x = 1,417.11

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Why These Related Problems?

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