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Finding the Fourth Proportional to 15,672.59, 23,514.89 and 9,437.06

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Solution

The fourth proportional to 15,672.59, 23,514.89 and 9,437.06 is: 14,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.59 : 23,514.89 = 9,437.06 : x
  2. Step 2: Convert to fraction form
    15,672.59/23,514.89 = 9,437.06/x
  3. Step 3: Cross multiply
    15,672.59x = 23,514.89 × 9,437.06
  4. Step 4: Simplify right side
    15,672.59x = 221,911,492.51
  5. Step 5: Solve for x
    x = 221,911,492.51/15,672.59
  6. Step 6: Final answer
    x = 14,159.21

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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.