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Finding the Fourth Proportional to 94,647.40, 130,611.54 and 52,207

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Solution

The fourth proportional to 94,647.40, 130,611.54 and 52,207 is: 72,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,647.40 : 130,611.54 = 52,207 : x
  2. Step 2: Convert to fraction form
    94,647.40/130,611.54 = 52,207/x
  3. Step 3: Cross multiply
    94,647.40x = 130,611.54 × 52,207
  4. Step 4: Simplify right side
    94,647.40x = 6,818,836,668.78
  5. Step 5: Solve for x
    x = 6,818,836,668.78/94,647.40
  6. Step 6: Final answer
    x = 72,044.63

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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.