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Finding the Fourth Proportional to 57,008.79, 85,522.40 and 23,730.15

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Solution

The fourth proportional to 57,008.79, 85,522.40 and 23,730.15 is: 35,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,008.79 : 85,522.40 = 23,730.15 : x
  2. Step 2: Convert to fraction form
    57,008.79/85,522.40 = 23,730.15/x
  3. Step 3: Cross multiply
    57,008.79x = 85,522.40 × 23,730.15
  4. Step 4: Simplify right side
    57,008.79x = 2,029,459,671.41
  5. Step 5: Solve for x
    x = 2,029,459,671.41/57,008.79
  6. Step 6: Final answer
    x = 35,599.07

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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.