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Finding the Fourth Proportional to 8,359.48, 11,532 and 7,032.70

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Solution

The fourth proportional to 8,359.48, 11,532 and 7,032.70 is: 9,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.48 : 11,532 = 7,032.70 : x
  2. Step 2: Convert to fraction form
    8,359.48/11,532 = 7,032.70/x
  3. Step 3: Cross multiply
    8,359.48x = 11,532 × 7,032.70
  4. Step 4: Simplify right side
    8,359.48x = 81,101,096.40
  5. Step 5: Solve for x
    x = 81,101,096.40/8,359.48
  6. Step 6: Final answer
    x = 9,701.69

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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.