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Finding the Fourth Proportional to 62,967.80, 86,895.54 and 34,672.76

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Solution

The fourth proportional to 62,967.80, 86,895.54 and 34,672.76 is: 47,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,967.80 : 86,895.54 = 34,672.76 : x
  2. Step 2: Convert to fraction form
    62,967.80/86,895.54 = 34,672.76/x
  3. Step 3: Cross multiply
    62,967.80x = 86,895.54 × 34,672.76
  4. Step 4: Simplify right side
    62,967.80x = 3,012,908,203.49
  5. Step 5: Solve for x
    x = 3,012,908,203.49/62,967.80
  6. Step 6: Final answer
    x = 47,848.40

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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.