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Finding the Fourth Proportional to 27,352.78, 37,746.78 and 14,777.50

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Solution

The fourth proportional to 27,352.78, 37,746.78 and 14,777.50 is: 20,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,352.78 : 37,746.78 = 14,777.50 : x
  2. Step 2: Convert to fraction form
    27,352.78/37,746.78 = 14,777.50/x
  3. Step 3: Cross multiply
    27,352.78x = 37,746.78 × 14,777.50
  4. Step 4: Simplify right side
    27,352.78x = 557,803,041.45
  5. Step 5: Solve for x
    x = 557,803,041.45/27,352.78
  6. Step 6: Final answer
    x = 20,392.92

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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.