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Finding the Fourth Proportional to 58,941.60, 88,509.60 and 39,307.20

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Solution

The fourth proportional to 58,941.60, 88,509.60 and 39,307.20 is: 59,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,941.60 : 88,509.60 = 39,307.20 : x
  2. Step 2: Convert to fraction form
    58,941.60/88,509.60 = 39,307.20/x
  3. Step 3: Cross multiply
    58,941.60x = 88,509.60 × 39,307.20
  4. Step 4: Simplify right side
    58,941.60x = 3,479,064,549.12
  5. Step 5: Solve for x
    x = 3,479,064,549.12/58,941.60
  6. Step 6: Final answer
    x = 59,025.62

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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.