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Finding the Fourth Proportional to 37,290.65, 51,461.10 and 20,523.65

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Solution

The fourth proportional to 37,290.65, 51,461.10 and 20,523.65 is: 28,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,290.65 : 51,461.10 = 20,523.65 : x
  2. Step 2: Convert to fraction form
    37,290.65/51,461.10 = 20,523.65/x
  3. Step 3: Cross multiply
    37,290.65x = 51,461.10 × 20,523.65
  4. Step 4: Simplify right side
    37,290.65x = 1,056,169,605.02
  5. Step 5: Solve for x
    x = 1,056,169,605.02/37,290.65
  6. Step 6: Final answer
    x = 28,322.64

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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.