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Finding the Fourth Proportional to 18,547.58, 25,595.39 and 10,049.47

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Solution

The fourth proportional to 18,547.58, 25,595.39 and 10,049.47 is: 13,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.58 : 25,595.39 = 10,049.47 : x
  2. Step 2: Convert to fraction form
    18,547.58/25,595.39 = 10,049.47/x
  3. Step 3: Cross multiply
    18,547.58x = 25,595.39 × 10,049.47
  4. Step 4: Simplify right side
    18,547.58x = 257,219,925.72
  5. Step 5: Solve for x
    x = 257,219,925.72/18,547.58
  6. Step 6: Final answer
    x = 13,868.11

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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.