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Finding the Fourth Proportional to 46,874.76, 64,688.88 and 26,728.40

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Solution

The fourth proportional to 46,874.76, 64,688.88 and 26,728.40 is: 36,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,874.76 : 64,688.88 = 26,728.40 : x
  2. Step 2: Convert to fraction form
    46,874.76/64,688.88 = 26,728.40/x
  3. Step 3: Cross multiply
    46,874.76x = 64,688.88 × 26,728.40
  4. Step 4: Simplify right side
    46,874.76x = 1,729,030,260.19
  5. Step 5: Solve for x
    x = 1,729,030,260.19/46,874.76
  6. Step 6: Final answer
    x = 36,886.17

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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.