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Finding the Fourth Proportional to 61,371.29, 84,582.29 and 45,428.06

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Solution

The fourth proportional to 61,371.29, 84,582.29 and 45,428.06 is: 62,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,371.29 : 84,582.29 = 45,428.06 : x
  2. Step 2: Convert to fraction form
    61,371.29/84,582.29 = 45,428.06/x
  3. Step 3: Cross multiply
    61,371.29x = 84,582.29 × 45,428.06
  4. Step 4: Simplify right side
    61,371.29x = 3,842,409,670.08
  5. Step 5: Solve for x
    x = 3,842,409,670.08/61,371.29
  6. Step 6: Final answer
    x = 62,609.23

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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.