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Finding the Fourth Proportional to 56,048.58, 77,189.58 and 54,823.86

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Solution

The fourth proportional to 56,048.58, 77,189.58 and 54,823.86 is: 75,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,048.58 : 77,189.58 = 54,823.86 : x
  2. Step 2: Convert to fraction form
    56,048.58/77,189.58 = 54,823.86/x
  3. Step 3: Cross multiply
    56,048.58x = 77,189.58 × 54,823.86
  4. Step 4: Simplify right side
    56,048.58x = 4,231,830,727.38
  5. Step 5: Solve for x
    x = 4,231,830,727.38/56,048.58
  6. Step 6: Final answer
    x = 75,502.91

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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.