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Finding the Fourth Proportional to 37,547.91, 51,813.90 and 20,548.80

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Solution

The fourth proportional to 37,547.91, 51,813.90 and 20,548.80 is: 28,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,547.91 : 51,813.90 = 20,548.80 : x
  2. Step 2: Convert to fraction form
    37,547.91/51,813.90 = 20,548.80/x
  3. Step 3: Cross multiply
    37,547.91x = 51,813.90 × 20,548.80
  4. Step 4: Simplify right side
    37,547.91x = 1,064,713,468.32
  5. Step 5: Solve for x
    x = 1,064,713,468.32/37,547.91
  6. Step 6: Final answer
    x = 28,356.13

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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.