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Finding the Fourth Proportional to 61,547.88, 92,284.88 and 28,226.20

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Solution

The fourth proportional to 61,547.88, 92,284.88 and 28,226.20 is: 42,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,547.88 : 92,284.88 = 28,226.20 : x
  2. Step 2: Convert to fraction form
    61,547.88/92,284.88 = 28,226.20/x
  3. Step 3: Cross multiply
    61,547.88x = 92,284.88 × 28,226.20
  4. Step 4: Simplify right side
    61,547.88x = 2,604,851,479.86
  5. Step 5: Solve for x
    x = 2,604,851,479.86/61,547.88
  6. Step 6: Final answer
    x = 42,322.36

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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.