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Finding the Fourth Proportional to 42,533.66, 63,808.05 and 12,948.14

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Solution

The fourth proportional to 42,533.66, 63,808.05 and 12,948.14 is: 19,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,533.66 : 63,808.05 = 12,948.14 : x
  2. Step 2: Convert to fraction form
    42,533.66/63,808.05 = 12,948.14/x
  3. Step 3: Cross multiply
    42,533.66x = 63,808.05 × 12,948.14
  4. Step 4: Simplify right side
    42,533.66x = 826,195,564.53
  5. Step 5: Solve for x
    x = 826,195,564.53/42,533.66
  6. Step 6: Final answer
    x = 19,424.51

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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.