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Finding the Fourth Proportional to 15,672.88, 23,492.72 and 7,345.88

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Solution

The fourth proportional to 15,672.88, 23,492.72 and 7,345.88 is: 11,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.88 : 23,492.72 = 7,345.88 : x
  2. Step 2: Convert to fraction form
    15,672.88/23,492.72 = 7,345.88/x
  3. Step 3: Cross multiply
    15,672.88x = 23,492.72 × 7,345.88
  4. Step 4: Simplify right side
    15,672.88x = 172,574,701.99
  5. Step 5: Solve for x
    x = 172,574,701.99/15,672.88
  6. Step 6: Final answer
    x = 11,011.04

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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.