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Finding the Fourth Proportional to 21,803.35, 32,701.95 and 7,010.39

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Solution

The fourth proportional to 21,803.35, 32,701.95 and 7,010.39 is: 10,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803.35 : 32,701.95 = 7,010.39 : x
  2. Step 2: Convert to fraction form
    21,803.35/32,701.95 = 7,010.39/x
  3. Step 3: Cross multiply
    21,803.35x = 32,701.95 × 7,010.39
  4. Step 4: Simplify right side
    21,803.35x = 229,253,423.26
  5. Step 5: Solve for x
    x = 229,253,423.26/21,803.35
  6. Step 6: Final answer
    x = 10,514.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.