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Finding the Fourth Proportional to 62,700, 94,490.16 and 56,466.96

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Solution

The fourth proportional to 62,700, 94,490.16 and 56,466.96 is: 85,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,700 : 94,490.16 = 56,466.96 : x
  2. Step 2: Convert to fraction form
    62,700/94,490.16 = 56,466.96/x
  3. Step 3: Cross multiply
    62,700x = 94,490.16 × 56,466.96
  4. Step 4: Simplify right side
    62,700x = 5,335,572,085.11
  5. Step 5: Solve for x
    x = 5,335,572,085.11/62,700
  6. Step 6: Final answer
    x = 85,096.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.