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Finding the Fourth Proportional to 56,166.61, 77,541.05 and 38,287.88

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Solution

The fourth proportional to 56,166.61, 77,541.05 and 38,287.88 is: 52,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166.61 : 77,541.05 = 38,287.88 : x
  2. Step 2: Convert to fraction form
    56,166.61/77,541.05 = 38,287.88/x
  3. Step 3: Cross multiply
    56,166.61x = 77,541.05 × 38,287.88
  4. Step 4: Simplify right side
    56,166.61x = 2,968,882,417.47
  5. Step 5: Solve for x
    x = 2,968,882,417.47/56,166.61
  6. Step 6: Final answer
    x = 52,858.49

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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.