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Finding the Fourth Proportional to 52,842.70, 72,930.42 and 32,706.07

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Solution

The fourth proportional to 52,842.70, 72,930.42 and 32,706.07 is: 45,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,842.70 : 72,930.42 = 32,706.07 : x
  2. Step 2: Convert to fraction form
    52,842.70/72,930.42 = 32,706.07/x
  3. Step 3: Cross multiply
    52,842.70x = 72,930.42 × 32,706.07
  4. Step 4: Simplify right side
    52,842.70x = 2,385,267,421.65
  5. Step 5: Solve for x
    x = 2,385,267,421.65/52,842.70
  6. Step 6: Final answer
    x = 45,139.01

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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.