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Finding the Fourth Proportional to 86,627, 119,547.60 and 52,623.92

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Solution

The fourth proportional to 86,627, 119,547.60 and 52,623.92 is: 72,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,627 : 119,547.60 = 52,623.92 : x
  2. Step 2: Convert to fraction form
    86,627/119,547.60 = 52,623.92/x
  3. Step 3: Cross multiply
    86,627x = 119,547.60 × 52,623.92
  4. Step 4: Simplify right side
    86,627x = 6,291,063,338.59
  5. Step 5: Solve for x
    x = 6,291,063,338.59/86,627
  6. Step 6: Final answer
    x = 72,622.43

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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.