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Finding the Fourth Proportional to 42,533.76, 63,800.60 and 14,456.76

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Solution

The fourth proportional to 42,533.76, 63,800.60 and 14,456.76 is: 21,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,533.76 : 63,800.60 = 14,456.76 : x
  2. Step 2: Convert to fraction form
    42,533.76/63,800.60 = 14,456.76/x
  3. Step 3: Cross multiply
    42,533.76x = 63,800.60 × 14,456.76
  4. Step 4: Simplify right side
    42,533.76x = 922,349,962.06
  5. Step 5: Solve for x
    x = 922,349,962.06/42,533.76
  6. Step 6: Final answer
    x = 21,685.13

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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.