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Finding the Fourth Proportional to 64,948.47, 97,425.45 and 20,574.24

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Solution

The fourth proportional to 64,948.47, 97,425.45 and 20,574.24 is: 30,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,948.47 : 97,425.45 = 20,574.24 : x
  2. Step 2: Convert to fraction form
    64,948.47/97,425.45 = 20,574.24/x
  3. Step 3: Cross multiply
    64,948.47x = 97,425.45 × 20,574.24
  4. Step 4: Simplify right side
    64,948.47x = 2,004,454,225.06
  5. Step 5: Solve for x
    x = 2,004,454,225.06/64,948.47
  6. Step 6: Final answer
    x = 30,862.23

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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.