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Finding the Fourth Proportional to 64,280.02, 88,702.92 and 35,980.24

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Solution

The fourth proportional to 64,280.02, 88,702.92 and 35,980.24 is: 49,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,280.02 : 88,702.92 = 35,980.24 : x
  2. Step 2: Convert to fraction form
    64,280.02/88,702.92 = 35,980.24/x
  3. Step 3: Cross multiply
    64,280.02x = 88,702.92 × 35,980.24
  4. Step 4: Simplify right side
    64,280.02x = 3,191,552,350.30
  5. Step 5: Solve for x
    x = 3,191,552,350.30/64,280.02
  6. Step 6: Final answer
    x = 49,650.77

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1.5x scale

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.