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Finding the Fourth Proportional to 63,013, 86,955.14 and 34,332.76

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Solution

The fourth proportional to 63,013, 86,955.14 and 34,332.76 is: 47,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,013 : 86,955.14 = 34,332.76 : x
  2. Step 2: Convert to fraction form
    63,013/86,955.14 = 34,332.76/x
  3. Step 3: Cross multiply
    63,013x = 86,955.14 × 34,332.76
  4. Step 4: Simplify right side
    63,013x = 2,985,409,952.39
  5. Step 5: Solve for x
    x = 2,985,409,952.39/63,013
  6. Step 6: Final answer
    x = 47,377.68

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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.