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Finding the Fourth Proportional to 4,326.47, 6,484.07 and 1,985.63

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Solution

The fourth proportional to 4,326.47, 6,484.07 and 1,985.63 is: 2,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.47 : 6,484.07 = 1,985.63 : x
  2. Step 2: Convert to fraction form
    4,326.47/6,484.07 = 1,985.63/x
  3. Step 3: Cross multiply
    4,326.47x = 6,484.07 × 1,985.63
  4. Step 4: Simplify right side
    4,326.47x = 12,874,953.99
  5. Step 5: Solve for x
    x = 12,874,953.99/4,326.47
  6. Step 6: Final answer
    x = 2,975.86

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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.