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Finding the Fourth Proportional to 61,557.79, 92,509.80 and 36,602.32

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Solution

The fourth proportional to 61,557.79, 92,509.80 and 36,602.32 is: 55,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,557.79 : 92,509.80 = 36,602.32 : x
  2. Step 2: Convert to fraction form
    61,557.79/92,509.80 = 36,602.32/x
  3. Step 3: Cross multiply
    61,557.79x = 92,509.80 × 36,602.32
  4. Step 4: Simplify right side
    61,557.79x = 3,386,073,302.74
  5. Step 5: Solve for x
    x = 3,386,073,302.74/61,557.79
  6. Step 6: Final answer
    x = 55,006.41

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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.