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Finding the Fourth Proportional to 74,392.68, 102,632.22 and 47,528.22

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Solution

The fourth proportional to 74,392.68, 102,632.22 and 47,528.22 is: 65,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,392.68 : 102,632.22 = 47,528.22 : x
  2. Step 2: Convert to fraction form
    74,392.68/102,632.22 = 47,528.22/x
  3. Step 3: Cross multiply
    74,392.68x = 102,632.22 × 47,528.22
  4. Step 4: Simplify right side
    74,392.68x = 4,877,926,731.25
  5. Step 5: Solve for x
    x = 4,877,926,731.25/74,392.68
  6. Step 6: Final answer
    x = 65,569.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.