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Finding the Fourth Proportional to 27,506.56, 37,959.06 and 14,931.32

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Solution

The fourth proportional to 27,506.56, 37,959.06 and 14,931.32 is: 20,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,506.56 : 37,959.06 = 14,931.32 : x
  2. Step 2: Convert to fraction form
    27,506.56/37,959.06 = 14,931.32/x
  3. Step 3: Cross multiply
    27,506.56x = 37,959.06 × 14,931.32
  4. Step 4: Simplify right side
    27,506.56x = 566,778,871.76
  5. Step 5: Solve for x
    x = 566,778,871.76/27,506.56
  6. Step 6: Final answer
    x = 20,605.23

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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.