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Finding the Fourth Proportional to 43,602.93, 60,130.70 and 28,508.52

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Solution

The fourth proportional to 43,602.93, 60,130.70 and 28,508.52 is: 39,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,602.93 : 60,130.70 = 28,508.52 : x
  2. Step 2: Convert to fraction form
    43,602.93/60,130.70 = 28,508.52/x
  3. Step 3: Cross multiply
    43,602.93x = 60,130.70 × 28,508.52
  4. Step 4: Simplify right side
    43,602.93x = 1,714,237,121.02
  5. Step 5: Solve for x
    x = 1,714,237,121.02/43,602.93
  6. Step 6: Final answer
    x = 39,314.72

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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.