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Finding the Fourth Proportional to 64,437.86, 88,924.14 and 36,143.58

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Solution

The fourth proportional to 64,437.86, 88,924.14 and 36,143.58 is: 49,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,437.86 : 88,924.14 = 36,143.58 : x
  2. Step 2: Convert to fraction form
    64,437.86/88,924.14 = 36,143.58/x
  3. Step 3: Cross multiply
    64,437.86x = 88,924.14 × 36,143.58
  4. Step 4: Simplify right side
    64,437.86x = 3,214,036,768.02
  5. Step 5: Solve for x
    x = 3,214,036,768.02/64,437.86
  6. Step 6: Final answer
    x = 49,878.08

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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.