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Finding the Fourth Proportional to 70,048.58, 96,663.08 and 39,841.24

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Solution

The fourth proportional to 70,048.58, 96,663.08 and 39,841.24 is: 54,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,048.58 : 96,663.08 = 39,841.24 : x
  2. Step 2: Convert to fraction form
    70,048.58/96,663.08 = 39,841.24/x
  3. Step 3: Cross multiply
    70,048.58x = 96,663.08 × 39,841.24
  4. Step 4: Simplify right side
    70,048.58x = 3,851,176,969.42
  5. Step 5: Solve for x
    x = 3,851,176,969.42/70,048.58
  6. Step 6: Final answer
    x = 54,978.66

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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.