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Finding the Fourth Proportional to 63,813.60, 88,039.08 and 63,715.19

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Solution

The fourth proportional to 63,813.60, 88,039.08 and 63,715.19 is: 87,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,813.60 : 88,039.08 = 63,715.19 : x
  2. Step 2: Convert to fraction form
    63,813.60/88,039.08 = 63,715.19/x
  3. Step 3: Cross multiply
    63,813.60x = 88,039.08 × 63,715.19
  4. Step 4: Simplify right side
    63,813.60x = 5,609,426,269.43
  5. Step 5: Solve for x
    x = 5,609,426,269.43/63,813.60
  6. Step 6: Final answer
    x = 87,903.30

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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.