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Finding the Fourth Proportional to 27,312.95, 40,935.40 and 9,763.49

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Solution

The fourth proportional to 27,312.95, 40,935.40 and 9,763.49 is: 14,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.95 : 40,935.40 = 9,763.49 : x
  2. Step 2: Convert to fraction form
    27,312.95/40,935.40 = 9,763.49/x
  3. Step 3: Cross multiply
    27,312.95x = 40,935.40 × 9,763.49
  4. Step 4: Simplify right side
    27,312.95x = 399,672,446.48
  5. Step 5: Solve for x
    x = 399,672,446.48/27,312.95
  6. Step 6: Final answer
    x = 14,633.07

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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.