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Finding the Fourth Proportional to 55,658.61, 76,816.76 and 34,444.71

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Solution

The fourth proportional to 55,658.61, 76,816.76 and 34,444.71 is: 47,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658.61 : 76,816.76 = 34,444.71 : x
  2. Step 2: Convert to fraction form
    55,658.61/76,816.76 = 34,444.71/x
  3. Step 3: Cross multiply
    55,658.61x = 76,816.76 × 34,444.71
  4. Step 4: Simplify right side
    55,658.61x = 2,645,930,849.12
  5. Step 5: Solve for x
    x = 2,645,930,849.12/55,658.61
  6. Step 6: Final answer
    x = 47,538.57

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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.