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Finding the Fourth Proportional to 63,421.59, 87,522.84 and 34,740.84

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Solution

The fourth proportional to 63,421.59, 87,522.84 and 34,740.84 is: 47,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.59 : 87,522.84 = 34,740.84 : x
  2. Step 2: Convert to fraction form
    63,421.59/87,522.84 = 34,740.84/x
  3. Step 3: Cross multiply
    63,421.59x = 87,522.84 × 34,740.84
  4. Step 4: Simplify right side
    63,421.59x = 3,040,616,980.79
  5. Step 5: Solve for x
    x = 3,040,616,980.79/63,421.59
  6. Step 6: Final answer
    x = 47,942.93

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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.