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Finding the Fourth Proportional to 13,303.01, 18,357.35 and 7,636.52

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Solution

The fourth proportional to 13,303.01, 18,357.35 and 7,636.52 is: 10,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.01 : 18,357.35 = 7,636.52 : x
  2. Step 2: Convert to fraction form
    13,303.01/18,357.35 = 7,636.52/x
  3. Step 3: Cross multiply
    13,303.01x = 18,357.35 × 7,636.52
  4. Step 4: Simplify right side
    13,303.01x = 140,186,140.45
  5. Step 5: Solve for x
    x = 140,186,140.45/13,303.01
  6. Step 6: Final answer
    x = 10,537.93

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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.