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Finding the Fourth Proportional to 7,000.58, 9,661.02 and 4,016.99

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Solution

The fourth proportional to 7,000.58, 9,661.02 and 4,016.99 is: 5,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.58 : 9,661.02 = 4,016.99 : x
  2. Step 2: Convert to fraction form
    7,000.58/9,661.02 = 4,016.99/x
  3. Step 3: Cross multiply
    7,000.58x = 9,661.02 × 4,016.99
  4. Step 4: Simplify right side
    7,000.58x = 38,808,252.41
  5. Step 5: Solve for x
    x = 38,808,252.41/7,000.58
  6. Step 6: Final answer
    x = 5,543.58

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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.