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Finding the Fourth Proportional to 64,901.05, 97,351.58 and 15,653.05

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Solution

The fourth proportional to 64,901.05, 97,351.58 and 15,653.05 is: 23,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.05 : 97,351.58 = 15,653.05 : x
  2. Step 2: Convert to fraction form
    64,901.05/97,351.58 = 15,653.05/x
  3. Step 3: Cross multiply
    64,901.05x = 97,351.58 × 15,653.05
  4. Step 4: Simplify right side
    64,901.05x = 1,523,849,071.05
  5. Step 5: Solve for x
    x = 1,523,849,071.05/64,901.05
  6. Step 6: Final answer
    x = 23,479.58

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Similar ratio
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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.