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Finding the Fourth Proportional to 7,002.33, 9,663.08 and 4,019.99

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Solution

The fourth proportional to 7,002.33, 9,663.08 and 4,019.99 is: 5,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.33 : 9,663.08 = 4,019.99 : x
  2. Step 2: Convert to fraction form
    7,002.33/9,663.08 = 4,019.99/x
  3. Step 3: Cross multiply
    7,002.33x = 9,663.08 × 4,019.99
  4. Step 4: Simplify right side
    7,002.33x = 38,845,416.55
  5. Step 5: Solve for x
    x = 38,845,416.55/7,002.33
  6. Step 6: Final answer
    x = 5,547.50

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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.