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Finding the Fourth Proportional to 57,580.32, 79,461.06 and 33,702.32

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Solution

The fourth proportional to 57,580.32, 79,461.06 and 33,702.32 is: 46,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,580.32 : 79,461.06 = 33,702.32 : x
  2. Step 2: Convert to fraction form
    57,580.32/79,461.06 = 33,702.32/x
  3. Step 3: Cross multiply
    57,580.32x = 79,461.06 × 33,702.32
  4. Step 4: Simplify right side
    57,580.32x = 2,678,022,071.66
  5. Step 5: Solve for x
    x = 2,678,022,071.66/57,580.32
  6. Step 6: Final answer
    x = 46,509.33

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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.