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Finding the Fourth Proportional to 10,658.64, 14,735.52 and 8,001.45

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Solution

The fourth proportional to 10,658.64, 14,735.52 and 8,001.45 is: 11,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.64 : 14,735.52 = 8,001.45 : x
  2. Step 2: Convert to fraction form
    10,658.64/14,735.52 = 8,001.45/x
  3. Step 3: Cross multiply
    10,658.64x = 14,735.52 × 8,001.45
  4. Step 4: Simplify right side
    10,658.64x = 117,905,526.50
  5. Step 5: Solve for x
    x = 117,905,526.50/10,658.64
  6. Step 6: Final answer
    x = 11,061.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.