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Finding the Fourth Proportional to 61,036.51, 91,462.82 and 54,384.92

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Solution

The fourth proportional to 61,036.51, 91,462.82 and 54,384.92 is: 81,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036.51 : 91,462.82 = 54,384.92 : x
  2. Step 2: Convert to fraction form
    61,036.51/91,462.82 = 54,384.92/x
  3. Step 3: Cross multiply
    61,036.51x = 91,462.82 × 54,384.92
  4. Step 4: Simplify right side
    61,036.51x = 4,974,197,966.36
  5. Step 5: Solve for x
    x = 4,974,197,966.36/61,036.51
  6. Step 6: Final answer
    x = 81,495.46

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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.