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Finding the Fourth Proportional to 62,214.40, 93,102.90 and 42,531.40

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Solution

The fourth proportional to 62,214.40, 93,102.90 and 42,531.40 is: 63,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,214.40 : 93,102.90 = 42,531.40 : x
  2. Step 2: Convert to fraction form
    62,214.40/93,102.90 = 42,531.40/x
  3. Step 3: Cross multiply
    62,214.40x = 93,102.90 × 42,531.40
  4. Step 4: Simplify right side
    62,214.40x = 3,959,796,681.06
  5. Step 5: Solve for x
    x = 3,959,796,681.06/62,214.40
  6. Step 6: Final answer
    x = 63,647.59

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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.