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Finding the Fourth Proportional to 86,703.81, 130,055.79 and 23,523.93

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Solution

The fourth proportional to 86,703.81, 130,055.79 and 23,523.93 is: 35,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,703.81 : 130,055.79 = 23,523.93 : x
  2. Step 2: Convert to fraction form
    86,703.81/130,055.79 = 23,523.93/x
  3. Step 3: Cross multiply
    86,703.81x = 130,055.79 × 23,523.93
  4. Step 4: Simplify right side
    86,703.81x = 3,059,423,555.57
  5. Step 5: Solve for x
    x = 3,059,423,555.57/86,703.81
  6. Step 6: Final answer
    x = 35,285.92

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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.