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Finding the Fourth Proportional to 42,398.84, 63,598.20 and 14,696.84

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Solution

The fourth proportional to 42,398.84, 63,598.20 and 14,696.84 is: 22,045.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,398.84 : 63,598.20 = 14,696.84 : x
  2. Step 2: Convert to fraction form
    42,398.84/63,598.20 = 14,696.84/x
  3. Step 3: Cross multiply
    42,398.84x = 63,598.20 × 14,696.84
  4. Step 4: Simplify right side
    42,398.84x = 934,692,569.69
  5. Step 5: Solve for x
    x = 934,692,569.69/42,398.84
  6. Step 6: Final answer
    x = 22,045.24

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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.