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Finding the Fourth Proportional to 63,156.32, 87,156 and 34,862.24

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Solution

The fourth proportional to 63,156.32, 87,156 and 34,862.24 is: 48,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,156.32 : 87,156 = 34,862.24 : x
  2. Step 2: Convert to fraction form
    63,156.32/87,156 = 34,862.24/x
  3. Step 3: Cross multiply
    63,156.32x = 87,156 × 34,862.24
  4. Step 4: Simplify right side
    63,156.32x = 3,038,453,389.44
  5. Step 5: Solve for x
    x = 3,038,453,389.44/63,156.32
  6. Step 6: Final answer
    x = 48,110.04

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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.