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Finding the Fourth Proportional to 5,746.86, 8,621.51 and 1,798.01

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Solution

The fourth proportional to 5,746.86, 8,621.51 and 1,798.01 is: 2,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.86 : 8,621.51 = 1,798.01 : x
  2. Step 2: Convert to fraction form
    5,746.86/8,621.51 = 1,798.01/x
  3. Step 3: Cross multiply
    5,746.86x = 8,621.51 × 1,798.01
  4. Step 4: Simplify right side
    5,746.86x = 15,501,573.76
  5. Step 5: Solve for x
    x = 15,501,573.76/5,746.86
  6. Step 6: Final answer
    x = 2,697.40

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1.5x scale

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.