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Finding the Fourth Proportional to 35,329.80, 48,730.44 and 29,987.76

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Solution

The fourth proportional to 35,329.80, 48,730.44 and 29,987.76 is: 41,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,329.80 : 48,730.44 = 29,987.76 : x
  2. Step 2: Convert to fraction form
    35,329.80/48,730.44 = 29,987.76/x
  3. Step 3: Cross multiply
    35,329.80x = 48,730.44 × 29,987.76
  4. Step 4: Simplify right side
    35,329.80x = 1,461,316,739.41
  5. Step 5: Solve for x
    x = 1,461,316,739.41/35,329.80
  6. Step 6: Final answer
    x = 41,362.16

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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.