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Finding the Fourth Proportional to 35,211.70, 52,817.55 and 10,587.70

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Solution

The fourth proportional to 35,211.70, 52,817.55 and 10,587.70 is: 15,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.70 : 52,817.55 = 10,587.70 : x
  2. Step 2: Convert to fraction form
    35,211.70/52,817.55 = 10,587.70/x
  3. Step 3: Cross multiply
    35,211.70x = 52,817.55 × 10,587.70
  4. Step 4: Simplify right side
    35,211.70x = 559,216,374.14
  5. Step 5: Solve for x
    x = 559,216,374.14/35,211.70
  6. Step 6: Final answer
    x = 15,881.55

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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.