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Finding the Fourth Proportional to 58,368.48, 80,581.68 and 38,554.08

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Solution

The fourth proportional to 58,368.48, 80,581.68 and 38,554.08 is: 53,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,368.48 : 80,581.68 = 38,554.08 : x
  2. Step 2: Convert to fraction form
    58,368.48/80,581.68 = 38,554.08/x
  3. Step 3: Cross multiply
    58,368.48x = 80,581.68 × 38,554.08
  4. Step 4: Simplify right side
    58,368.48x = 3,106,752,537.25
  5. Step 5: Solve for x
    x = 3,106,752,537.25/58,368.48
  6. Step 6: Final answer
    x = 53,226.55

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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.