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Finding the Fourth Proportional to 73,055.76, 109,598.40 and 30,935.76

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Solution

The fourth proportional to 73,055.76, 109,598.40 and 30,935.76 is: 46,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,055.76 : 109,598.40 = 30,935.76 : x
  2. Step 2: Convert to fraction form
    73,055.76/109,598.40 = 30,935.76/x
  3. Step 3: Cross multiply
    73,055.76x = 109,598.40 × 30,935.76
  4. Step 4: Simplify right side
    73,055.76x = 3,390,509,798.78
  5. Step 5: Solve for x
    x = 3,390,509,798.78/73,055.76
  6. Step 6: Final answer
    x = 46,409.89

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1.5x scale

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.