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Finding the Fourth Proportional to 86,707.13, 130,060.69 and 24,377.63

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Solution

The fourth proportional to 86,707.13, 130,060.69 and 24,377.63 is: 36,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,707.13 : 130,060.69 = 24,377.63 : x
  2. Step 2: Convert to fraction form
    86,707.13/130,060.69 = 24,377.63/x
  3. Step 3: Cross multiply
    86,707.13x = 130,060.69 × 24,377.63
  4. Step 4: Simplify right side
    86,707.13x = 3,170,570,667.12
  5. Step 5: Solve for x
    x = 3,170,570,667.12/86,707.13
  6. Step 6: Final answer
    x = 36,566.44

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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.