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Finding the Fourth Proportional to 76,283.88, 105,282.06 and 44,462.76

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Solution

The fourth proportional to 76,283.88, 105,282.06 and 44,462.76 is: 61,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,283.88 : 105,282.06 = 44,462.76 : x
  2. Step 2: Convert to fraction form
    76,283.88/105,282.06 = 44,462.76/x
  3. Step 3: Cross multiply
    76,283.88x = 105,282.06 × 44,462.76
  4. Step 4: Simplify right side
    76,283.88x = 4,681,130,966.09
  5. Step 5: Solve for x
    x = 4,681,130,966.09/76,283.88
  6. Step 6: Final answer
    x = 61,364.62

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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.