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Finding the Fourth Proportional to 61,440.72, 92,013.45 and 35,065.50

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Solution

The fourth proportional to 61,440.72, 92,013.45 and 35,065.50 is: 52,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,440.72 : 92,013.45 = 35,065.50 : x
  2. Step 2: Convert to fraction form
    61,440.72/92,013.45 = 35,065.50/x
  3. Step 3: Cross multiply
    61,440.72x = 92,013.45 × 35,065.50
  4. Step 4: Simplify right side
    61,440.72x = 3,226,497,630.98
  5. Step 5: Solve for x
    x = 3,226,497,630.98/61,440.72
  6. Step 6: Final answer
    x = 52,513.99

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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.