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Finding the Fourth Proportional to 63,567.84, 87,720.96 and 35,271.84

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Solution

The fourth proportional to 63,567.84, 87,720.96 and 35,271.84 is: 48,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,567.84 : 87,720.96 = 35,271.84 : x
  2. Step 2: Convert to fraction form
    63,567.84/87,720.96 = 35,271.84/x
  3. Step 3: Cross multiply
    63,567.84x = 87,720.96 × 35,271.84
  4. Step 4: Simplify right side
    63,567.84x = 3,094,079,665.77
  5. Step 5: Solve for x
    x = 3,094,079,665.77/63,567.84
  6. Step 6: Final answer
    x = 48,673.66

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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.