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Finding the Fourth Proportional to 64,775.90, 97,045.48 and 46,962.40

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Solution

The fourth proportional to 64,775.90, 97,045.48 and 46,962.40 is: 70,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,775.90 : 97,045.48 = 46,962.40 : x
  2. Step 2: Convert to fraction form
    64,775.90/97,045.48 = 46,962.40/x
  3. Step 3: Cross multiply
    64,775.90x = 97,045.48 × 46,962.40
  4. Step 4: Simplify right side
    64,775.90x = 4,557,488,649.95
  5. Step 5: Solve for x
    x = 4,557,488,649.95/64,775.90
  6. Step 6: Final answer
    x = 70,357.78

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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.