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Finding the Fourth Proportional to 27,509.79, 37,925.90 and 18,895.71

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Solution

The fourth proportional to 27,509.79, 37,925.90 and 18,895.71 is: 26,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,509.79 : 37,925.90 = 18,895.71 : x
  2. Step 2: Convert to fraction form
    27,509.79/37,925.90 = 18,895.71/x
  3. Step 3: Cross multiply
    27,509.79x = 37,925.90 × 18,895.71
  4. Step 4: Simplify right side
    27,509.79x = 716,636,523.78
  5. Step 5: Solve for x
    x = 716,636,523.78/27,509.79
  6. Step 6: Final answer
    x = 26,050.24

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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.