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Finding the Fourth Proportional to 35,657.78, 53,482.55 and 9,364.58

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Solution

The fourth proportional to 35,657.78, 53,482.55 and 9,364.58 is: 14,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,657.78 : 53,482.55 = 9,364.58 : x
  2. Step 2: Convert to fraction form
    35,657.78/53,482.55 = 9,364.58/x
  3. Step 3: Cross multiply
    35,657.78x = 53,482.55 × 9,364.58
  4. Step 4: Simplify right side
    35,657.78x = 500,841,303.84
  5. Step 5: Solve for x
    x = 500,841,303.84/35,657.78
  6. Step 6: Final answer
    x = 14,045.78

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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.