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Finding the Fourth Proportional to 34,699.64, 47,885.53 and 18,784.10

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Solution

The fourth proportional to 34,699.64, 47,885.53 and 18,784.10 is: 25,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,699.64 : 47,885.53 = 18,784.10 : x
  2. Step 2: Convert to fraction form
    34,699.64/47,885.53 = 18,784.10/x
  3. Step 3: Cross multiply
    34,699.64x = 47,885.53 × 18,784.10
  4. Step 4: Simplify right side
    34,699.64x = 899,486,692.05
  5. Step 5: Solve for x
    x = 899,486,692.05/34,699.64
  6. Step 6: Final answer
    x = 25,922.08

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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.