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Finding the Fourth Proportional to 19,332, 26,678.88 and 10,948.32

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Solution

The fourth proportional to 19,332, 26,678.88 and 10,948.32 is: 15,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332 : 26,678.88 = 10,948.32 : x
  2. Step 2: Convert to fraction form
    19,332/26,678.88 = 10,948.32/x
  3. Step 3: Cross multiply
    19,332x = 26,678.88 × 10,948.32
  4. Step 4: Simplify right side
    19,332x = 292,088,915.48
  5. Step 5: Solve for x
    x = 292,088,915.48/19,332
  6. Step 6: Final answer
    x = 15,109.09

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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.