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Finding the Fourth Proportional to 67,307.92, 92,880.04 and 39,013.04

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Solution

The fourth proportional to 67,307.92, 92,880.04 and 39,013.04 is: 53,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,307.92 : 92,880.04 = 39,013.04 : x
  2. Step 2: Convert to fraction form
    67,307.92/92,880.04 = 39,013.04/x
  3. Step 3: Cross multiply
    67,307.92x = 92,880.04 × 39,013.04
  4. Step 4: Simplify right side
    67,307.92x = 3,623,532,715.72
  5. Step 5: Solve for x
    x = 3,623,532,715.72/67,307.92
  6. Step 6: Final answer
    x = 53,835.16

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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.