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Finding the Fourth Proportional to 56,363.68, 77,780.88 and 34,007.68

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Solution

The fourth proportional to 56,363.68, 77,780.88 and 34,007.68 is: 46,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,363.68 : 77,780.88 = 34,007.68 : x
  2. Step 2: Convert to fraction form
    56,363.68/77,780.88 = 34,007.68/x
  3. Step 3: Cross multiply
    56,363.68x = 77,780.88 × 34,007.68
  4. Step 4: Simplify right side
    56,363.68x = 2,645,147,277.16
  5. Step 5: Solve for x
    x = 2,645,147,277.16/56,363.68
  6. Step 6: Final answer
    x = 46,930.00

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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.