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Finding the Fourth Proportional to 6,455.51, 8,904.84 and 4,061.71

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Solution

The fourth proportional to 6,455.51, 8,904.84 and 4,061.71 is: 5,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.51 : 8,904.84 = 4,061.71 : x
  2. Step 2: Convert to fraction form
    6,455.51/8,904.84 = 4,061.71/x
  3. Step 3: Cross multiply
    6,455.51x = 8,904.84 × 4,061.71
  4. Step 4: Simplify right side
    6,455.51x = 36,168,873.58
  5. Step 5: Solve for x
    x = 36,168,873.58/6,455.51
  6. Step 6: Final answer
    x = 5,602.79

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1.5x scale

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.