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Finding the Fourth Proportional to 57,083.40, 85,625.10 and 14,963.40

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Solution

The fourth proportional to 57,083.40, 85,625.10 and 14,963.40 is: 22,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.40 : 85,625.10 = 14,963.40 : x
  2. Step 2: Convert to fraction form
    57,083.40/85,625.10 = 14,963.40/x
  3. Step 3: Cross multiply
    57,083.40x = 85,625.10 × 14,963.40
  4. Step 4: Simplify right side
    57,083.40x = 1,281,242,621.34
  5. Step 5: Solve for x
    x = 1,281,242,621.34/57,083.40
  6. Step 6: Final answer
    x = 22,445.10

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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.