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Finding the Fourth Proportional to 68,010.80, 93,851.88 and 37,798.24

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Solution

The fourth proportional to 68,010.80, 93,851.88 and 37,798.24 is: 52,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010.80 : 93,851.88 = 37,798.24 : x
  2. Step 2: Convert to fraction form
    68,010.80/93,851.88 = 37,798.24/x
  3. Step 3: Cross multiply
    68,010.80x = 93,851.88 × 37,798.24
  4. Step 4: Simplify right side
    68,010.80x = 3,547,435,884.69
  5. Step 5: Solve for x
    x = 3,547,435,884.69/68,010.80
  6. Step 6: Final answer
    x = 52,159.89

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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.