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Finding the Fourth Proportional to 63,293.42, 87,382.82 and 39,452.40

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Solution

The fourth proportional to 63,293.42, 87,382.82 and 39,452.40 is: 54,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,293.42 : 87,382.82 = 39,452.40 : x
  2. Step 2: Convert to fraction form
    63,293.42/87,382.82 = 39,452.40/x
  3. Step 3: Cross multiply
    63,293.42x = 87,382.82 × 39,452.40
  4. Step 4: Simplify right side
    63,293.42x = 3,447,461,967.77
  5. Step 5: Solve for x
    x = 3,447,461,967.77/63,293.42
  6. Step 6: Final answer
    x = 54,467.94

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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.