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Finding the Fourth Proportional to 64,246.60, 88,678.20 and 37,394.32

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Solution

The fourth proportional to 64,246.60, 88,678.20 and 37,394.32 is: 51,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,246.60 : 88,678.20 = 37,394.32 : x
  2. Step 2: Convert to fraction form
    64,246.60/88,678.20 = 37,394.32/x
  3. Step 3: Cross multiply
    64,246.60x = 88,678.20 × 37,394.32
  4. Step 4: Simplify right side
    64,246.60x = 3,316,060,987.82
  5. Step 5: Solve for x
    x = 3,316,060,987.82/64,246.60
  6. Step 6: Final answer
    x = 51,614.58

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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.