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Finding the Fourth Proportional to 5,925.66, 8,887.53 and 1,979.68

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Solution

The fourth proportional to 5,925.66, 8,887.53 and 1,979.68 is: 2,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,925.66 : 8,887.53 = 1,979.68 : x
  2. Step 2: Convert to fraction form
    5,925.66/8,887.53 = 1,979.68/x
  3. Step 3: Cross multiply
    5,925.66x = 8,887.53 × 1,979.68
  4. Step 4: Simplify right side
    5,925.66x = 17,594,465.39
  5. Step 5: Solve for x
    x = 17,594,465.39/5,925.66
  6. Step 6: Final answer
    x = 2,969.20

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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.