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Finding the Fourth Proportional to 27,178.66, 37,510.66 and 16,574.45

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Solution

The fourth proportional to 27,178.66, 37,510.66 and 16,574.45 is: 22,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.66 : 37,510.66 = 16,574.45 : x
  2. Step 2: Convert to fraction form
    27,178.66/37,510.66 = 16,574.45/x
  3. Step 3: Cross multiply
    27,178.66x = 37,510.66 × 16,574.45
  4. Step 4: Simplify right side
    27,178.66x = 621,718,427.38
  5. Step 5: Solve for x
    x = 621,718,427.38/27,178.66
  6. Step 6: Final answer
    x = 22,875.24

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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.