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Finding the Fourth Proportional to 69,802.60, 96,329.40 and 39,582.08

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Solution

The fourth proportional to 69,802.60, 96,329.40 and 39,582.08 is: 54,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,802.60 : 96,329.40 = 39,582.08 : x
  2. Step 2: Convert to fraction form
    69,802.60/96,329.40 = 39,582.08/x
  3. Step 3: Cross multiply
    69,802.60x = 96,329.40 × 39,582.08
  4. Step 4: Simplify right side
    69,802.60x = 3,812,918,017.15
  5. Step 5: Solve for x
    x = 3,812,918,017.15/69,802.60
  6. Step 6: Final answer
    x = 54,624.30

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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.