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Finding the Fourth Proportional to 63,525.40, 87,407.58 and 52,153

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Solution

The fourth proportional to 63,525.40, 87,407.58 and 52,153 is: 71,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,525.40 : 87,407.58 = 52,153 : x
  2. Step 2: Convert to fraction form
    63,525.40/87,407.58 = 52,153/x
  3. Step 3: Cross multiply
    63,525.40x = 87,407.58 × 52,153
  4. Step 4: Simplify right side
    63,525.40x = 4,558,567,519.74
  5. Step 5: Solve for x
    x = 4,558,567,519.74/63,525.40
  6. Step 6: Final answer
    x = 71,759.76

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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.