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Finding the Fourth Proportional to 69,389.16, 104,071.90 and 25,007.08

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Solution

The fourth proportional to 69,389.16, 104,071.90 and 25,007.08 is: 37,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,389.16 : 104,071.90 = 25,007.08 : x
  2. Step 2: Convert to fraction form
    69,389.16/104,071.90 = 25,007.08/x
  3. Step 3: Cross multiply
    69,389.16x = 104,071.90 × 25,007.08
  4. Step 4: Simplify right side
    69,389.16x = 2,602,534,329.05
  5. Step 5: Solve for x
    x = 2,602,534,329.05/69,389.16
  6. Step 6: Final answer
    x = 37,506.35

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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.