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Finding the Fourth Proportional to 13,068.60, 19,602.88 and 7,237.50

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Solution

The fourth proportional to 13,068.60, 19,602.88 and 7,237.50 is: 10,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.60 : 19,602.88 = 7,237.50 : x
  2. Step 2: Convert to fraction form
    13,068.60/19,602.88 = 7,237.50/x
  3. Step 3: Cross multiply
    13,068.60x = 19,602.88 × 7,237.50
  4. Step 4: Simplify right side
    13,068.60x = 141,875,844
  5. Step 5: Solve for x
    x = 141,875,844/13,068.60
  6. Step 6: Final answer
    x = 10,856.24

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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.