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Finding the Fourth Proportional to 77,888.40, 116,823.96 and 22,484.40

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Solution

The fourth proportional to 77,888.40, 116,823.96 and 22,484.40 is: 33,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,888.40 : 116,823.96 = 22,484.40 : x
  2. Step 2: Convert to fraction form
    77,888.40/116,823.96 = 22,484.40/x
  3. Step 3: Cross multiply
    77,888.40x = 116,823.96 × 22,484.40
  4. Step 4: Simplify right side
    77,888.40x = 2,626,716,646.22
  5. Step 5: Solve for x
    x = 2,626,716,646.22/77,888.40
  6. Step 6: Final answer
    x = 33,724.11

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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.