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Finding the Fourth Proportional to 83,999.08, 125,984.04 and 28,595.08

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Solution

The fourth proportional to 83,999.08, 125,984.04 and 28,595.08 is: 42,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.08 : 125,984.04 = 28,595.08 : x
  2. Step 2: Convert to fraction form
    83,999.08/125,984.04 = 28,595.08/x
  3. Step 3: Cross multiply
    83,999.08x = 125,984.04 × 28,595.08
  4. Step 4: Simplify right side
    83,999.08x = 3,602,523,702.52
  5. Step 5: Solve for x
    x = 3,602,523,702.52/83,999.08
  6. Step 6: Final answer
    x = 42,887.66

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1.5x scale

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.