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Finding the Fourth Proportional to 61,096.86, 84,199.59 and 47,646.90

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Solution

The fourth proportional to 61,096.86, 84,199.59 and 47,646.90 is: 65,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,096.86 : 84,199.59 = 47,646.90 : x
  2. Step 2: Convert to fraction form
    61,096.86/84,199.59 = 47,646.90/x
  3. Step 3: Cross multiply
    61,096.86x = 84,199.59 × 47,646.90
  4. Step 4: Simplify right side
    61,096.86x = 4,011,849,444.77
  5. Step 5: Solve for x
    x = 4,011,849,444.77/61,096.86
  6. Step 6: Final answer
    x = 65,663.76

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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.