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Finding the Fourth Proportional to 64,312.50, 88,751.27 and 36,018.19

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Solution

The fourth proportional to 64,312.50, 88,751.27 and 36,018.19 is: 49,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,312.50 : 88,751.27 = 36,018.19 : x
  2. Step 2: Convert to fraction form
    64,312.50/88,751.27 = 36,018.19/x
  3. Step 3: Cross multiply
    64,312.50x = 88,751.27 × 36,018.19
  4. Step 4: Simplify right side
    64,312.50x = 3,196,660,105.60
  5. Step 5: Solve for x
    x = 3,196,660,105.60/64,312.50
  6. Step 6: Final answer
    x = 49,705.11

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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.