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Finding the Fourth Proportional to 51,673.55, 77,510.76 and 14,235.71

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Solution

The fourth proportional to 51,673.55, 77,510.76 and 14,235.71 is: 21,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,673.55 : 77,510.76 = 14,235.71 : x
  2. Step 2: Convert to fraction form
    51,673.55/77,510.76 = 14,235.71/x
  3. Step 3: Cross multiply
    51,673.55x = 77,510.76 × 14,235.71
  4. Step 4: Simplify right side
    51,673.55x = 1,103,420,701.24
  5. Step 5: Solve for x
    x = 1,103,420,701.24/51,673.55
  6. Step 6: Final answer
    x = 21,353.68

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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.