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Finding the Fourth Proportional to 27,302.80, 40,925.40 and 10,656.40

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Solution

The fourth proportional to 27,302.80, 40,925.40 and 10,656.40 is: 15,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,302.80 : 40,925.40 = 10,656.40 : x
  2. Step 2: Convert to fraction form
    27,302.80/40,925.40 = 10,656.40/x
  3. Step 3: Cross multiply
    27,302.80x = 40,925.40 × 10,656.40
  4. Step 4: Simplify right side
    27,302.80x = 436,117,432.56
  5. Step 5: Solve for x
    x = 436,117,432.56/27,302.80
  6. Step 6: Final answer
    x = 15,973.36

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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.