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Finding the Fourth Proportional to 93,878.94, 129,564.99 and 53,583.47

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Solution

The fourth proportional to 93,878.94, 129,564.99 and 53,583.47 is: 73,952.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,878.94 : 129,564.99 = 53,583.47 : x
  2. Step 2: Convert to fraction form
    93,878.94/129,564.99 = 53,583.47/x
  3. Step 3: Cross multiply
    93,878.94x = 129,564.99 × 53,583.47
  4. Step 4: Simplify right side
    93,878.94x = 6,942,541,106.89
  5. Step 5: Solve for x
    x = 6,942,541,106.89/93,878.94
  6. Step 6: Final answer
    x = 73,952.06

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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.