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Finding the Fourth Proportional to 86,730.63, 130,095.95 and 27,566.31

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Solution

The fourth proportional to 86,730.63, 130,095.95 and 27,566.31 is: 41,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,730.63 : 130,095.95 = 27,566.31 : x
  2. Step 2: Convert to fraction form
    86,730.63/130,095.95 = 27,566.31/x
  3. Step 3: Cross multiply
    86,730.63x = 130,095.95 × 27,566.31
  4. Step 4: Simplify right side
    86,730.63x = 3,586,265,149.61
  5. Step 5: Solve for x
    x = 3,586,265,149.61/86,730.63
  6. Step 6: Final answer
    x = 41,349.47

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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.