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Finding the Fourth Proportional to 15,668.72, 23,509.23 and 6,897.48

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Solution

The fourth proportional to 15,668.72, 23,509.23 and 6,897.48 is: 10,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.72 : 23,509.23 = 6,897.48 : x
  2. Step 2: Convert to fraction form
    15,668.72/23,509.23 = 6,897.48/x
  3. Step 3: Cross multiply
    15,668.72x = 23,509.23 × 6,897.48
  4. Step 4: Simplify right side
    15,668.72x = 162,154,443.74
  5. Step 5: Solve for x
    x = 162,154,443.74/15,668.72
  6. Step 6: Final answer
    x = 10,348.93

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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.