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Finding the Fourth Proportional to 61,477.60, 92,302.80 and 48,344.80

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Solution

The fourth proportional to 61,477.60, 92,302.80 and 48,344.80 is: 72,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,477.60 : 92,302.80 = 48,344.80 : x
  2. Step 2: Convert to fraction form
    61,477.60/92,302.80 = 48,344.80/x
  3. Step 3: Cross multiply
    61,477.60x = 92,302.80 × 48,344.80
  4. Step 4: Simplify right side
    61,477.60x = 4,462,360,405.44
  5. Step 5: Solve for x
    x = 4,462,360,405.44/61,477.60
  6. Step 6: Final answer
    x = 72,585.14

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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.