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Finding the Fourth Proportional to 35,407.84, 53,094.48 and 12,604.09

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Solution

The fourth proportional to 35,407.84, 53,094.48 and 12,604.09 is: 18,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,407.84 : 53,094.48 = 12,604.09 : x
  2. Step 2: Convert to fraction form
    35,407.84/53,094.48 = 12,604.09/x
  3. Step 3: Cross multiply
    35,407.84x = 53,094.48 × 12,604.09
  4. Step 4: Simplify right side
    35,407.84x = 669,207,604.42
  5. Step 5: Solve for x
    x = 669,207,604.42/35,407.84
  6. Step 6: Final answer
    x = 18,899.98

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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.