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Finding the Fourth Proportional to 64,336.68, 88,779.78 and 36,037.80

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Solution

The fourth proportional to 64,336.68, 88,779.78 and 36,037.80 is: 49,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,336.68 : 88,779.78 = 36,037.80 : x
  2. Step 2: Convert to fraction form
    64,336.68/88,779.78 = 36,037.80/x
  3. Step 3: Cross multiply
    64,336.68x = 88,779.78 × 36,037.80
  4. Step 4: Simplify right side
    64,336.68x = 3,199,427,955.68
  5. Step 5: Solve for x
    x = 3,199,427,955.68/64,336.68
  6. Step 6: Final answer
    x = 49,729.45

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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.