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Finding the Fourth Proportional to 7,901.51, 10,904.03 and 4,316.51

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Solution

The fourth proportional to 7,901.51, 10,904.03 and 4,316.51 is: 5,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.51 : 10,904.03 = 4,316.51 : x
  2. Step 2: Convert to fraction form
    7,901.51/10,904.03 = 4,316.51/x
  3. Step 3: Cross multiply
    7,901.51x = 10,904.03 × 4,316.51
  4. Step 4: Simplify right side
    7,901.51x = 47,067,278.43
  5. Step 5: Solve for x
    x = 47,067,278.43/7,901.51
  6. Step 6: Final answer
    x = 5,956.75

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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.