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Finding the Fourth Proportional to 67,315.92, 92,895.98 and 39,038.01

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Solution

The fourth proportional to 67,315.92, 92,895.98 and 39,038.01 is: 53,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,315.92 : 92,895.98 = 39,038.01 : x
  2. Step 2: Convert to fraction form
    67,315.92/92,895.98 = 39,038.01/x
  3. Step 3: Cross multiply
    67,315.92x = 92,895.98 × 39,038.01
  4. Step 4: Simplify right side
    67,315.92x = 3,626,474,196.20
  5. Step 5: Solve for x
    x = 3,626,474,196.20/67,315.92
  6. Step 6: Final answer
    x = 53,872.46

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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.