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Finding the Fourth Proportional to 12,368.32, 17,068.98 and 7,335.52

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Solution

The fourth proportional to 12,368.32, 17,068.98 and 7,335.52 is: 10,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.32 : 17,068.98 = 7,335.52 : x
  2. Step 2: Convert to fraction form
    12,368.32/17,068.98 = 7,335.52/x
  3. Step 3: Cross multiply
    12,368.32x = 17,068.98 × 7,335.52
  4. Step 4: Simplify right side
    12,368.32x = 125,209,844.17
  5. Step 5: Solve for x
    x = 125,209,844.17/12,368.32
  6. Step 6: Final answer
    x = 10,123.43

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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.