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Finding the Fourth Proportional to 53,248.64, 73,482.72 and 29,374.76

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Solution

The fourth proportional to 53,248.64, 73,482.72 and 29,374.76 is: 40,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,248.64 : 73,482.72 = 29,374.76 : x
  2. Step 2: Convert to fraction form
    53,248.64/73,482.72 = 29,374.76/x
  3. Step 3: Cross multiply
    53,248.64x = 73,482.72 × 29,374.76
  4. Step 4: Simplify right side
    53,248.64x = 2,158,537,264.15
  5. Step 5: Solve for x
    x = 2,158,537,264.15/53,248.64
  6. Step 6: Final answer
    x = 40,536.95

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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.