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Finding the Fourth Proportional to 60,569.00, 90,794.48 and 28,970.81

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Solution

The fourth proportional to 60,569.00, 90,794.48 and 28,970.81 is: 43,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,569.00 : 90,794.48 = 28,970.81 : x
  2. Step 2: Convert to fraction form
    60,569.00/90,794.48 = 28,970.81/x
  3. Step 3: Cross multiply
    60,569.00x = 90,794.48 × 28,970.81
  4. Step 4: Simplify right side
    60,569.00x = 2,630,389,030.30
  5. Step 5: Solve for x
    x = 2,630,389,030.30/60,569.00
  6. Step 6: Final answer
    x = 43,427.98

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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.