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Finding the Fourth Proportional to 9,354.60, 14,031.90 and 2,429.10

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Solution

The fourth proportional to 9,354.60, 14,031.90 and 2,429.10 is: 3,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.60 : 14,031.90 = 2,429.10 : x
  2. Step 2: Convert to fraction form
    9,354.60/14,031.90 = 2,429.10/x
  3. Step 3: Cross multiply
    9,354.60x = 14,031.90 × 2,429.10
  4. Step 4: Simplify right side
    9,354.60x = 34,084,888.29
  5. Step 5: Solve for x
    x = 34,084,888.29/9,354.60
  6. Step 6: Final answer
    x = 3,643.65

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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.