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Finding the Fourth Proportional to 55,470.61, 76,549.45 and 29,976.89

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Solution

The fourth proportional to 55,470.61, 76,549.45 and 29,976.89 is: 41,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,470.61 : 76,549.45 = 29,976.89 : x
  2. Step 2: Convert to fraction form
    55,470.61/76,549.45 = 29,976.89/x
  3. Step 3: Cross multiply
    55,470.61x = 76,549.45 × 29,976.89
  4. Step 4: Simplify right side
    55,470.61x = 2,294,714,442.21
  5. Step 5: Solve for x
    x = 2,294,714,442.21/55,470.61
  6. Step 6: Final answer
    x = 41,368.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.