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Finding the Fourth Proportional to 15,673.42, 23,479.08 and 9,435.07

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Solution

The fourth proportional to 15,673.42, 23,479.08 and 9,435.07 is: 14,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.42 : 23,479.08 = 9,435.07 : x
  2. Step 2: Convert to fraction form
    15,673.42/23,479.08 = 9,435.07/x
  3. Step 3: Cross multiply
    15,673.42x = 23,479.08 × 9,435.07
  4. Step 4: Simplify right side
    15,673.42x = 221,526,763.34
  5. Step 5: Solve for x
    x = 221,526,763.34/15,673.42
  6. Step 6: Final answer
    x = 14,133.91

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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.