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Finding the Fourth Proportional to 86,588.88, 119,448.63 and 52,588.32

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Solution

The fourth proportional to 86,588.88, 119,448.63 and 52,588.32 is: 72,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,588.88 : 119,448.63 = 52,588.32 : x
  2. Step 2: Convert to fraction form
    86,588.88/119,448.63 = 52,588.32/x
  3. Step 3: Cross multiply
    86,588.88x = 119,448.63 × 52,588.32
  4. Step 4: Simplify right side
    86,588.88x = 6,281,602,778.00
  5. Step 5: Solve for x
    x = 6,281,602,778.00/86,588.88
  6. Step 6: Final answer
    x = 72,545.14

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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.