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Finding the Fourth Proportional to 25,862.98, 38,800.70 and 8,993.55

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Solution

The fourth proportional to 25,862.98, 38,800.70 and 8,993.55 is: 13,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,862.98 : 38,800.70 = 8,993.55 : x
  2. Step 2: Convert to fraction form
    25,862.98/38,800.70 = 8,993.55/x
  3. Step 3: Cross multiply
    25,862.98x = 38,800.70 × 8,993.55
  4. Step 4: Simplify right side
    25,862.98x = 348,956,035.49
  5. Step 5: Solve for x
    x = 348,956,035.49/25,862.98
  6. Step 6: Final answer
    x = 13,492.49

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Half scale
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Double scale
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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.