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Finding the Fourth Proportional to 39,283.95, 58,927.13 and 9,701.78

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Solution

The fourth proportional to 39,283.95, 58,927.13 and 9,701.78 is: 14,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,283.95 : 58,927.13 = 9,701.78 : x
  2. Step 2: Convert to fraction form
    39,283.95/58,927.13 = 9,701.78/x
  3. Step 3: Cross multiply
    39,283.95x = 58,927.13 × 9,701.78
  4. Step 4: Simplify right side
    39,283.95x = 571,697,744.53
  5. Step 5: Solve for x
    x = 571,697,744.53/39,283.95
  6. Step 6: Final answer
    x = 14,552.96

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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.