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Finding the Fourth Proportional to 62,666.90, 86,479.14 and 35,442.51

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Solution

The fourth proportional to 62,666.90, 86,479.14 and 35,442.51 is: 48,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,666.90 : 86,479.14 = 35,442.51 : x
  2. Step 2: Convert to fraction form
    62,666.90/86,479.14 = 35,442.51/x
  3. Step 3: Cross multiply
    62,666.90x = 86,479.14 × 35,442.51
  4. Step 4: Simplify right side
    62,666.90x = 3,065,038,079.30
  5. Step 5: Solve for x
    x = 3,065,038,079.30/62,666.90
  6. Step 6: Final answer
    x = 48,910.00

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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.