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Finding the Fourth Proportional to 32,656.65, 45,065.67 and 18,316.49

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Solution

The fourth proportional to 32,656.65, 45,065.67 and 18,316.49 is: 25,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,656.65 : 45,065.67 = 18,316.49 : x
  2. Step 2: Convert to fraction form
    32,656.65/45,065.67 = 18,316.49/x
  3. Step 3: Cross multiply
    32,656.65x = 45,065.67 × 18,316.49
  4. Step 4: Simplify right side
    32,656.65x = 825,444,668.57
  5. Step 5: Solve for x
    x = 825,444,668.57/32,656.65
  6. Step 6: Final answer
    x = 25,276.46

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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.