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Finding the Fourth Proportional to 10,605.58, 15,894.63 and 4,358.52

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Solution

The fourth proportional to 10,605.58, 15,894.63 and 4,358.52 is: 6,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.58 : 15,894.63 = 4,358.52 : x
  2. Step 2: Convert to fraction form
    10,605.58/15,894.63 = 4,358.52/x
  3. Step 3: Cross multiply
    10,605.58x = 15,894.63 × 4,358.52
  4. Step 4: Simplify right side
    10,605.58x = 69,277,062.75
  5. Step 5: Solve for x
    x = 69,277,062.75/10,605.58
  6. Step 6: Final answer
    x = 6,532.13

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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.