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Finding the Fourth Proportional to 26,547.42, 39,804.42 and 12,498.99

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Solution

The fourth proportional to 26,547.42, 39,804.42 and 12,498.99 is: 18,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.42 : 39,804.42 = 12,498.99 : x
  2. Step 2: Convert to fraction form
    26,547.42/39,804.42 = 12,498.99/x
  3. Step 3: Cross multiply
    26,547.42x = 39,804.42 × 12,498.99
  4. Step 4: Simplify right side
    26,547.42x = 497,515,047.54
  5. Step 5: Solve for x
    x = 497,515,047.54/26,547.42
  6. Step 6: Final answer
    x = 18,740.62

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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.