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Finding the Fourth Proportional to 61,973.99, 85,492.62 and 40,476.33

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Solution

The fourth proportional to 61,973.99, 85,492.62 and 40,476.33 is: 55,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,973.99 : 85,492.62 = 40,476.33 : x
  2. Step 2: Convert to fraction form
    61,973.99/85,492.62 = 40,476.33/x
  3. Step 3: Cross multiply
    61,973.99x = 85,492.62 × 40,476.33
  4. Step 4: Simplify right side
    61,973.99x = 3,460,427,491.17
  5. Step 5: Solve for x
    x = 3,460,427,491.17/61,973.99
  6. Step 6: Final answer
    x = 55,836.77

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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.