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Finding the Fourth Proportional to 64,040.76, 88,374.78 and 35,749.08

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Solution

The fourth proportional to 64,040.76, 88,374.78 and 35,749.08 is: 49,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,040.76 : 88,374.78 = 35,749.08 : x
  2. Step 2: Convert to fraction form
    64,040.76/88,374.78 = 35,749.08/x
  3. Step 3: Cross multiply
    64,040.76x = 88,374.78 × 35,749.08
  4. Step 4: Simplify right side
    64,040.76x = 3,159,317,080.20
  5. Step 5: Solve for x
    x = 3,159,317,080.20/64,040.76
  6. Step 6: Final answer
    x = 49,332.91

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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.