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Finding the Fourth Proportional to 84,980.88, 127,475.57 and 32,394.47

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Solution

The fourth proportional to 84,980.88, 127,475.57 and 32,394.47 is: 48,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,980.88 : 127,475.57 = 32,394.47 : x
  2. Step 2: Convert to fraction form
    84,980.88/127,475.57 = 32,394.47/x
  3. Step 3: Cross multiply
    84,980.88x = 127,475.57 × 32,394.47
  4. Step 4: Simplify right side
    84,980.88x = 4,129,502,971.71
  5. Step 5: Solve for x
    x = 4,129,502,971.71/84,980.88
  6. Step 6: Final answer
    x = 48,593.32

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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.