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Finding the Fourth Proportional to 10,599.99, 15,894.51 and 5,605.06

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Solution

The fourth proportional to 10,599.99, 15,894.51 and 5,605.06 is: 8,404.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.99 : 15,894.51 = 5,605.06 : x
  2. Step 2: Convert to fraction form
    10,599.99/15,894.51 = 5,605.06/x
  3. Step 3: Cross multiply
    10,599.99x = 15,894.51 × 5,605.06
  4. Step 4: Simplify right side
    10,599.99x = 89,089,602.75
  5. Step 5: Solve for x
    x = 89,089,602.75/10,599.99
  6. Step 6: Final answer
    x = 8,404.69

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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.