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Finding the Fourth Proportional to 86,962.34, 130,412.79 and 41,364.68

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Solution

The fourth proportional to 86,962.34, 130,412.79 and 41,364.68 is: 62,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,962.34 : 130,412.79 = 41,364.68 : x
  2. Step 2: Convert to fraction form
    86,962.34/130,412.79 = 41,364.68/x
  3. Step 3: Cross multiply
    86,962.34x = 130,412.79 × 41,364.68
  4. Step 4: Simplify right side
    86,962.34x = 5,394,482,674.19
  5. Step 5: Solve for x
    x = 5,394,482,674.19/86,962.34
  6. Step 6: Final answer
    x = 62,032.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.