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Finding the Fourth Proportional to 70,590.60, 97,420.14 and 46,675.80

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Solution

The fourth proportional to 70,590.60, 97,420.14 and 46,675.80 is: 64,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,590.60 : 97,420.14 = 46,675.80 : x
  2. Step 2: Convert to fraction form
    70,590.60/97,420.14 = 46,675.80/x
  3. Step 3: Cross multiply
    70,590.60x = 97,420.14 × 46,675.80
  4. Step 4: Simplify right side
    70,590.60x = 4,547,162,970.61
  5. Step 5: Solve for x
    x = 4,547,162,970.61/70,590.60
  6. Step 6: Final answer
    x = 64,415.98

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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.