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Finding the Fourth Proportional to 8,954.64, 13,432.01 and 3,031.59

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Solution

The fourth proportional to 8,954.64, 13,432.01 and 3,031.59 is: 4,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.64 : 13,432.01 = 3,031.59 : x
  2. Step 2: Convert to fraction form
    8,954.64/13,432.01 = 3,031.59/x
  3. Step 3: Cross multiply
    8,954.64x = 13,432.01 × 3,031.59
  4. Step 4: Simplify right side
    8,954.64x = 40,720,332.04
  5. Step 5: Solve for x
    x = 40,720,332.04/8,954.64
  6. Step 6: Final answer
    x = 4,547.40

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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.