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Finding the Fourth Proportional to 35,175.70, 48,547.09 and 20,064.90

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Solution

The fourth proportional to 35,175.70, 48,547.09 and 20,064.90 is: 27,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,175.70 : 48,547.09 = 20,064.90 : x
  2. Step 2: Convert to fraction form
    35,175.70/48,547.09 = 20,064.90/x
  3. Step 3: Cross multiply
    35,175.70x = 48,547.09 × 20,064.90
  4. Step 4: Simplify right side
    35,175.70x = 974,092,506.14
  5. Step 5: Solve for x
    x = 974,092,506.14/35,175.70
  6. Step 6: Final answer
    x = 27,692.20

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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.