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Finding the Fourth Proportional to 86,693.77, 130,045.16 and 27,534.07

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Solution

The fourth proportional to 86,693.77, 130,045.16 and 27,534.07 is: 41,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,693.77 : 130,045.16 = 27,534.07 : x
  2. Step 2: Convert to fraction form
    86,693.77/130,045.16 = 27,534.07/x
  3. Step 3: Cross multiply
    86,693.77x = 130,045.16 × 27,534.07
  4. Step 4: Simplify right side
    86,693.77x = 3,580,672,538.60
  5. Step 5: Solve for x
    x = 3,580,672,538.60/86,693.77
  6. Step 6: Final answer
    x = 41,302.54

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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.