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Finding the Fourth Proportional to 7,602.78, 11,392.17 and 4,999.98

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Solution

The fourth proportional to 7,602.78, 11,392.17 and 4,999.98 is: 7,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.78 : 11,392.17 = 4,999.98 : x
  2. Step 2: Convert to fraction form
    7,602.78/11,392.17 = 4,999.98/x
  3. Step 3: Cross multiply
    7,602.78x = 11,392.17 × 4,999.98
  4. Step 4: Simplify right side
    7,602.78x = 56,960,622.16
  5. Step 5: Solve for x
    x = 56,960,622.16/7,602.78
  6. Step 6: Final answer
    x = 7,492.08

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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.