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Finding the Fourth Proportional to 9,842.55, 14,763.90 and 3,602.76

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Solution

The fourth proportional to 9,842.55, 14,763.90 and 3,602.76 is: 5,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842.55 : 14,763.90 = 3,602.76 : x
  2. Step 2: Convert to fraction form
    9,842.55/14,763.90 = 3,602.76/x
  3. Step 3: Cross multiply
    9,842.55x = 14,763.90 × 3,602.76
  4. Step 4: Simplify right side
    9,842.55x = 53,190,788.36
  5. Step 5: Solve for x
    x = 53,190,788.36/9,842.55
  6. Step 6: Final answer
    x = 5,404.17

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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.