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Finding the Fourth Proportional to 63,001.20, 94,501.80 and 21,448.20

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Solution

The fourth proportional to 63,001.20, 94,501.80 and 21,448.20 is: 32,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,001.20 : 94,501.80 = 21,448.20 : x
  2. Step 2: Convert to fraction form
    63,001.20/94,501.80 = 21,448.20/x
  3. Step 3: Cross multiply
    63,001.20x = 94,501.80 × 21,448.20
  4. Step 4: Simplify right side
    63,001.20x = 2,026,893,506.76
  5. Step 5: Solve for x
    x = 2,026,893,506.76/63,001.20
  6. Step 6: Final answer
    x = 32,172.30

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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.