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Finding the Fourth Proportional to 84,412.50, 116,492.91 and 46,686.78

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Solution

The fourth proportional to 84,412.50, 116,492.91 and 46,686.78 is: 64,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,412.50 : 116,492.91 = 46,686.78 : x
  2. Step 2: Convert to fraction form
    84,412.50/116,492.91 = 46,686.78/x
  3. Step 3: Cross multiply
    84,412.50x = 116,492.91 × 46,686.78
  4. Step 4: Simplify right side
    84,412.50x = 5,438,678,860.73
  5. Step 5: Solve for x
    x = 5,438,678,860.73/84,412.50
  6. Step 6: Final answer
    x = 64,429.78

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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.